[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-29 Thread Deacon Patrick
Drivetrain changes implemented. Successful on all levels: 1) I did all the 
work myself!; 2) the changes accomplished everything I hoped they would. 
Here's the summary of what I did:

-- Change bottom bracket from 107 to 113 to shift chain line outboard and 
provide chain and front derailure clearance for 2.25 rear tire. Check! 
(This is also how Hunqapillars are built by Rivendell now). 
-- Swap 11-32 8-speed cassette for 12-36 9-speed cassette to allow for most 
riding to be done in my middle chainring. Initial tests: Check! Longer 
rides will reveal more.

Thank you all for your help in exploring this! I am excited about these 
changes.

With abandon,
Patrick

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-16 Thread Deacon Patrick
Having played with the possibilities and gotten to ride a few rides snow 
free on dirt roads, I am keeping the 3x and going with the 9x 12-36 
cassette. Apparently I'm faster on gentle descents than I realized, and the 
top gears will be welcome after all, especially since I'm losing the 11 for 
a 12 small cog. But the gain on the low end, middle ring will be well worth 
it. In talking with Riv, chain line should be no issue switching from 107mm 
to 113mm BB so my bigger Smart Sams will be happy on there too.

Steve Palincsar, you made the right call on the triple! Grin.

With abandon,
Patrick

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-16 Thread Deacon Patrick
Awesome, Evan! I do still toy with the simplicity of a single up front, and 
the romanticism of it will always attract me. It boils down to am I willing 
to walk before I fall over because I'm going so slow? Because with a 34 
front 12-36 rear I'd be hitting a lot of the ridable hills (especially when 
bikepacking) and have to use LCG simply because my gearing was too high. 
How much that circumstance actually happens is one I plan on testing out 
this year. Grin.

With abandon,
Patrick 

On Wednesday, April 16, 2014 2:20:34 PM UTC-6, Evan Baird wrote:

 I stopped by the freewheel on Saturday and picked up a Paul chain keeper. 
 It makes a huge difference. With a 34t chainring and the Riv 12-34 cassette 
 I have a totally reasonable range, and no more spontaneous derailments.

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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-16 Thread Deacon Patrick
I wasn't clear, Steve. I'm referring to going up a steep hill loaded in 24t 
front/32t rear (my current low setup). I suspect my new 24/36 will have me 
falling over. I was comparing that with a potential 1x setup of 36 or 
34/36, which would require walking more hills, not more tipping over for 
going too slow. Hopefully that's more clear.

With abandon,
Patrick

On Wednesday, April 16, 2014 3:32:14 PM UTC-6, Steve Palincsar wrote:

  On 04/16/2014 04:49 PM, Deacon Patrick wrote:
  
 Awesome, Evan! I do still toy with the simplicity of a single up front, 
 and the romanticism of it will always attract me. It boils down to am I 
 willing to walk before I fall over because I'm going so slow? 


 If you've got a grade steep enough and a load heavy enough to warrant a 
 super low gear, odds are you won't fall over.  I used to have an 18 low 
 gear on my Bruce Gordon Rock 'n Road touring bike (22 front, 32 rear) and 
 never fell over with that.  34 front 36 rear isn't nearly that low.  
 Admittedly, some skill is involved; and it's a lot more difficult on a high 
 trail/high wheel flop bike than it is on a low trail/low flop one, and load 
 placement matters too -- when I used that 18 gear on the Rock 'n Road I 
 had loaded panniers front and rear, and loaded front panniers tend to 
 stabilize the front end.  But it's certainly doable.


  Because with a 34 front 12-36 rear I'd be hitting a lot of the ridable 
 hills (especially when bikepacking) and have to use LCG simply because my 
 gearing was too high. How much that circumstance actually happens is one I 
 plan on testing out this year. Grin. 

  With abandon,
 Patrick 

 On Wednesday, April 16, 2014 2:20:34 PM UTC-6, Evan Baird wrote: 

 I stopped by the freewheel on Saturday and picked up a Paul chain keeper. 
 It makes a huge difference. With a 34t chainring and the Riv 12-34 cassette 
 I have a totally reasonable range, and no more spontaneous derailments.

  
  
  

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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-16 Thread Steve Palincsar

On 04/16/2014 06:12 PM, Deacon Patrick wrote:
That all depends on what rocks and roots are in the way. On a road, 
you are right. On a trail is a whole different ballgame. Grin.


I make no comments with respect to trails with rocks and roots.

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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-16 Thread Deacon Patrick
You're missing out, Steve! Rocks and roots monkey with momentum and 
trajectory and the slower you go and the steeper the incline, the harder 
those are to overcome. That's when it's time to put your foot down and hope 
for the sake of the bits and bobs that the ground isn't significantly lower 
than your tires where your foot lands. Grin.

With abandon,
Patrick

On Wednesday, April 16, 2014 4:32:48 PM UTC-6, Steve Palincsar wrote:

 On 04/16/2014 06:12 PM, Deacon Patrick wrote: 
  That all depends on what rocks and roots are in the way. On a road, 
  you are right. On a trail is a whole different ballgame. Grin. 

 I make no comments with respect to trails with rocks and roots. 



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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-16 Thread Steve Palincsar

On 04/16/2014 06:37 PM, Deacon Patrick wrote:

You're missing out, Steve!


That's fun I am happy to miss out on.  I'd rather have a root canal.

Rocks and roots monkey with momentum and trajectory and the slower you 
go and the steeper the incline, the harder those are to overcome. 
That's when it's time to put your foot down and hope for the sake of 
the bits and bobs that the ground isn't significantly lower than your 
tires where your foot lands.


So in that situation, gearing is essentially irrelevant, right?


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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-16 Thread Deacon Patrick
Yes, indeed, Steve. Gearing is irrelevant anytime you are off the bike. But 
hardly irrelevant in the moments preceding it, especially when it allows 
you to overcome obstacles and keep moving. That is a wondrous feeling I 
wish you could experience, Steve.

With abandon,
Patrick

On Wednesday, April 16, 2014 7:21:41 PM UTC-6, Steve Palincsar wrote:

 On 04/16/2014 06:37 PM, Deacon Patrick wrote: 
  You're missing out, Steve! 

 That's fun I am happy to miss out on.  I'd rather have a root canal. 

  Rocks and roots monkey with momentum and trajectory and the slower you 
  go and the steeper the incline, the harder those are to overcome. 
  That's when it's time to put your foot down and hope for the sake of 
  the bits and bobs that the ground isn't significantly lower than your 
  tires where your foot lands. 

 So in that situation, gearing is essentially irrelevant, right? 




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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-11 Thread Bill Lindsay
On Thursday, April 10, 2014 1:00:53 PM UTC-7, redsydude wrote:

 ...the next gear can be an awkward front shift and a 2 or 3 click rear 
 shift...
  
 So if you are in say 44/15 (2.9) and you shift to a lower gear you go 
 through 30/11 (2.7) then 44/17 (2.6) then 30/13 (2.3) ... until you get to 
 where you want to be?  


That's not the way I'd get there.  I'd shift my rear der two clicks and not 
touch the front.  If I'm riding in my 44/15 (2.9) and I'm saying to myself 
this gear is too high, I'll shift one click to the 44/17 (2.6).  If 
that's still too high, then I shift one more click to the 44/19 (2.3).


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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-10 Thread Deacon Patrick
Huh. the 8 speed Shimano 11-34 cassette costs $13 and the chains cost less 
than the 9-speed. That's a lot of cost for a lower gear I don't need except 
in the 36 front ring. Plus the potential change in shifting performance. 
H. Anyone know why Rivendell doesn't carry the 11-34 8x cassette?
http://www.chainreactioncycles.com/us/en/shimano-acera-hg41-8-speed-mtb-cassette/rp-prod68154

Going with 24/36 x 11-34 gives me all the range I need at a fraction the 
cost of going 9-speed. 

With abandon,
Patrick

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-10 Thread Matthew J
 but also how big the jumps are between gears; the ease of getting from 
one gear to the next; and where your favorite gears are.  

For me this is not the issue it seems to be for many other riders.  The 
wide range 1x5 on my commuter / light[er] tour bike with a '90s vintage 
Campy OR rear derailer has big jumps between gears. 

Depending on the load and terrain I usually ride one of the two middle 
gears.  On downhills or completely unloaded I may use the highest.  For 
most Midwest climbing the penultimate granny works well for me.  I have 
never used the lowest gear.  

The 5 speed is set up with a vintage Suntour Winner FW, so I do not get any 
weight advantage.  It is, however, a very simple system that has never 
broken down on me and is very easy to clean and otherwise maintain.

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-10 Thread dougP
Going with 24/36 x 11-34 gives me all the range I need at a fraction the 
cost of going 9-speed.

As long as the range and spacing between gears work for you, this looks 
like a winner.  At that price, it's worth a try.  As you noted, sometimes a 
drivetrain is just a drivetrain :-).  

dougP

On Wednesday, April 9, 2014 11:24:36 PM UTC-7, Deacon Patrick wrote:

 Huh. the 8 speed Shimano 11-34 cassette costs $13 and the chains cost less 
 than the 9-speed. That's a lot of cost for a lower gear I don't need except 
 in the 36 front ring. Plus the potential change in shifting performance. 
 H. Anyone know why Rivendell doesn't carry the 11-34 8x cassette?

 http://www.chainreactioncycles.com/us/en/shimano-acera-hg41-8-speed-mtb-cassette/rp-prod68154

 Going with 24/36 x 11-34 gives me all the range I need at a fraction the 
 cost of going 9-speed. 

 With abandon,
 Patrick


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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-10 Thread Deacon Patrick
Ahhh. Rivendell will get an IRD 12-34 8-speed cassette back in stock end of 
the month. I'll hold out for that.

With abandon,
Patrick

On Thursday, April 10, 2014 12:24:36 AM UTC-6, Deacon Patrick wrote:

 Huh. the 8 speed Shimano 11-34 cassette costs $13 and the chains cost less 
 than the 9-speed. That's a lot of cost for a lower gear I don't need except 
 in the 36 front ring. Plus the potential change in shifting performance. 
 H. Anyone know why Rivendell doesn't carry the 11-34 8x cassette?

 http://www.chainreactioncycles.com/us/en/shimano-acera-hg41-8-speed-mtb-cassette/rp-prod68154

 Going with 24/36 x 11-34 gives me all the range I need at a fraction the 
 cost of going 9-speed. 

 With abandon,
 Patrick


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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-10 Thread Ron Mc
Spenser comes through again...


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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-10 Thread redsydude
...the next gear can be an awkward front shift and a 2 or 3 click rear 
shift...
 
So if you are in say 44/15 (2.9) and you shift to a lower gear you go 
through 30/11 (2.7) then 44/17 (2.6) then 30/13 (2.3) ... until you get to 
where you want to be?  
On Wednesday, April 9, 2014 2:36:16 PM UTC-7, Michael Hechmer wrote:

 Deacon,  I'm sitting in an Inn after a hard drive across a chunk of Md., 
 all of Delaware, NJ, and up NY to Rhinebeck so my brain is too tired for a 
 full answer.  So here's the short version.

 All gearing combinations involve trade offs among 4 variables - hi/low 
 which you have identified; but also how big the jumps are between gears; 
 the ease of getting from one gear to the next; and where your favorite 
 gears are. 

 The wider the hi/low range the wider the steps between gears, but this can 
 be counteracted to some degree by going to a dbl and then a triple.  A wide 
 range cassette always yields large steps between gears, which I don't like. 
   I usually run a 12-27 or at most an 11-28.  Even with that, on our riding 
 in flat Virginia I only used 3 gears but two of them were too far apart.

 So the double will let you get a pretty wide range with smaller steps. 
  But with many doubles the next gear can be an awkward front shift and a 2 
 or 3 click rear shift leaving you between the gear you would really like. 
  A ring difference of 10 tends to yield the simplest shifting pattern - a 
 single click to the next gear.   14 tooth difference yields 2 clicks to the 
 next gear.  I tend to find the 12 difference leaving me between gears.  I 
 try to create sets with about 10% between gears  especially in the most 
 used middle.

 Finally, think about which gears you use the most and try to get a good 
 chain line and easy pattern between them.

 I rarely use a ratio of less than 1 to 1 and never more than 4-1.  For 
 example my Ram has a 44/30 and an 11/27 while the Saluki a 48/34/26 (24 for 
 big long climbs) with a 12-27.  The tandem, likes easy shifting, so 
 48/38/28 with a 12-27.  It feels very stressful to me to try to spin a 
 ratio much below 1-1 fast enough to keep a bike upright for a long time. 
  To each his own.

 Simplification is good, over simplification makes life more complicated 
 than it needs to be.

 Michael


 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. here 
 is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 4.7 
 from 6 translates to speed loss. On flat or gradual descents, I suspect I 
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical. 
 I’d love to go with the 36t on a 1x set up, but it would add significantly 
 to the number of hills i’m walking, especially when bikepacking. Perhaps 
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get 
 stronger and the loss may not be a big deal with that. But then it’s better 
 to lose gears on the upper range and coast more, and enjoy the ride on the 
 climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  


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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Deacon Patrick
Another great point to consider, as I'm currently using an 8 speed 
cassette. How much drop off in shifting ease have you experienced with your 
9x2 in the rear vs. an 8, David?

With abandon,
Patrick

On Tuesday, April 8, 2014 9:03:38 PM UTC-6, cyclot...@gmail.com wrote:

 Larry, eight speed is nice as well, as they still use a regular chain.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Tue, Apr 8, 2014 at 8:02 PM, LF fie...@gmail.com javascript: wrote:

 Patrick my friend,
 Not exactly to the point, but I think 7-speed rear clusters are at the 
 pinacle of bike gear technology. They are more forgiving when shifting, 
 last longer, have wider chains. Simple and practical! A nice wide range 2X7 
  Roll on!
 Best,
 Larry

 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. 
 here is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 4.7 
 from 6 translates to speed loss. On flat or gradual descents, I suspect I 
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical. 
 I’d love to go with the 36t on a 1x set up, but it would add significantly 
 to the number of hills i’m walking, especially when bikepacking. Perhaps 
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get 
 stronger and the loss may not be a big deal with that. But then it’s better 
 to lose gears on the upper range and coast more, and enjoy the ride on the 
 climbs without killing myself.

 All wisdom deeply appreciated.
  
 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  
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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread justinaugust
I ride a 1x9 setup for a long while and I found that it was a bit too much 
compromise. I have a Sugino crank waiting to be double+guarded so I can have a 
38/24 setup up front. Since you seem to do predominantly mountain/trail stuff 
I'd hold onto that front lowest gear. Worse comes to worse take off the front 
derailleur and shift by hand.

-J

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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread cyclotourist
Define shifting ease? There's really no difference between 8 or 9 in amount
of effort to shift??? I really like 9 speed for the 36T cassette though.
Best bike component to come out in the last decade or so.

Cheers,
David

it isn't a contest. Just enjoy the ride. - Seth Vidal





On Wed, Apr 9, 2014 at 3:02 AM, Deacon Patrick lamontg...@mac.com wrote:

 Another great point to consider, as I'm currently using an 8 speed
 cassette. How much drop off in shifting ease have you experienced with your
 9x2 in the rear vs. an 8, David?

 With abandon,
 Patrick


 On Tuesday, April 8, 2014 9:03:38 PM UTC-6, cyclot...@gmail.com wrote:

 Larry, eight speed is nice as well, as they still use a regular chain.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Tue, Apr 8, 2014 at 8:02 PM, LF fie...@gmail.com wrote:

 Patrick my friend,
 Not exactly to the point, but I think 7-speed rear clusters are at the
 pinacle of bike gear technology. They are more forgiving when shifting,
 last longer, have wider chains. Simple and practical! A nice wide range 2X7
  Roll on!
 Best,
 Larry

 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train.
 here is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don't really need lower than 1.5, and I am unsure how the drop to 4.7
 from 6 translates to speed loss. On flat or gradual descents, I suspect I
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is
 practical. I'd love to go with the 36t on a 1x set up, but it would add
 significantly to the number of hills i'm walking, especially when
 bikepacking. Perhaps going with a 30 or 32t 1x set up is the way to go? I
 will no doubt get stronger and the loss may not be a big deal with that.
 But then it's better to lose gears on the upper range and coast more, and
 enjoy the ride on the climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*

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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Deacon Patrick
Define shifting ease: Larry had said 7 speeds are more forgiving. So I 
wasn't sure what that meant. Sounds like the 9 is no big deal and has a lot 
of benefit, which is what I'm counting on. Grin.

With abandon,
Patrick

On Wednesday, April 9, 2014 7:26:55 AM UTC-6, cyclot...@gmail.com wrote:

 Define shifting ease? There's really no difference between 8 or 9 in 
 amount of effort to shift??? I really like 9 speed for the 36T cassette 
 though. Best bike component to come out in the last decade or so.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Wed, Apr 9, 2014 at 3:02 AM, Deacon Patrick lamon...@mac.comjavascript:
  wrote:

 Another great point to consider, as I'm currently using an 8 speed 
 cassette. How much drop off in shifting ease have you experienced with your 
 9x2 in the rear vs. an 8, David?

 With abandon,
 Patrick


 On Tuesday, April 8, 2014 9:03:38 PM UTC-6, cyclot...@gmail.com wrote:

 Larry, eight speed is nice as well, as they still use a regular chain.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Tue, Apr 8, 2014 at 8:02 PM, LF fie...@gmail.com wrote:

  Patrick my friend,
 Not exactly to the point, but I think 7-speed rear clusters are at the 
 pinacle of bike gear technology. They are more forgiving when shifting, 
 last longer, have wider chains. Simple and practical! A nice wide range 
 2X7 
  Roll on!
 Best,
 Larry

 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. 
 here is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 
 4.7 from 6 translates to speed loss. On flat or gradual descents, I 
 suspect 
 I would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is 
 practical. I’d love to go with the 36t on a 1x set up, but it would add 
 significantly to the number of hills i’m walking, especially when 
 bikepacking. Perhaps going with a 30 or 32t 1x set up is the way to go? I 
 will no doubt get stronger and the loss may not be a big deal with that. 
 But then it’s better to lose gears on the upper range and coast more, and 
 enjoy the ride on the climbs without killing myself.

 All wisdom deeply appreciated.
  
 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  
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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Ron Mc
7-speed is all about chain line.  9-speed is step down in chain line.  

On Wednesday, April 9, 2014 8:43:40 AM UTC-5, Deacon Patrick wrote:

 Define shifting ease: Larry had said 7 speeds are more forgiving. So I 
 wasn't sure what that meant. Sounds like the 9 is no big deal and has a lot 
 of benefit, which is what I'm counting on. Grin.

 With abandon,
 Patrick

 On Wednesday, April 9, 2014 7:26:55 AM UTC-6, cyclot...@gmail.com wrote:

 Define shifting ease? There's really no difference between 8 or 9 in 
 amount of effort to shift??? I really like 9 speed for the 36T cassette 
 though. Best bike component to come out in the last decade or so.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Wed, Apr 9, 2014 at 3:02 AM, Deacon Patrick lamon...@mac.com wrote:

 Another great point to consider, as I'm currently using an 8 speed 
 cassette. How much drop off in shifting ease have you experienced with your 
 9x2 in the rear vs. an 8, David?

 With abandon,
 Patrick


 On Tuesday, April 8, 2014 9:03:38 PM UTC-6, cyclot...@gmail.com wrote:

 Larry, eight speed is nice as well, as they still use a regular chain.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Tue, Apr 8, 2014 at 8:02 PM, LF fie...@gmail.com wrote:

  Patrick my friend,
 Not exactly to the point, but I think 7-speed rear clusters are at the 
 pinacle of bike gear technology. They are more forgiving when shifting, 
 last longer, have wider chains. Simple and practical! A nice wide range 
 2X7 
  Roll on!
 Best,
 Larry

 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. 
 here is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 
 4.7 from 6 translates to speed loss. On flat or gradual descents, I 
 suspect 
 I would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is 
 practical. I’d love to go with the 36t on a 1x set up, but it would add 
 significantly to the number of hills i’m walking, especially when 
 bikepacking. Perhaps going with a 30 or 32t 1x set up is the way to go? 
 I 
 will no doubt get stronger and the loss may not be a big deal with that. 
 But then it’s better to lose gears on the upper range and coast more, 
 and 
 enjoy the ride on the climbs without killing myself.

 All wisdom deeply appreciated.
  
 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  
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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Patrick Moore
You probably remember that the practical limit of friction shifting was
debated at great length not too long ago and many considered 8 speeds to be
the most they could friction shift easily. That group does not include me,
but be aware that some do find 9 harder than fewer cogs.

Patrick 10's no problem either, at least with Retrofrictions Moore


On Wed, Apr 9, 2014 at 7:43 AM, Deacon Patrick lamontg...@mac.com wrote:
[...]. Sounds like the 9 is no big deal and has a lot of benefit, which is
what I'm counting on. Grin.


 With abandon,
 Patrick



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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Steve Palincsar

On 04/09/2014 09:43 AM, Deacon Patrick wrote:
Define shifting ease: Larry had said 7 speeds are more forgiving. So 
I wasn't sure what that meant. Sounds like the 9 is no big deal and 
has a lot of benefit, which is what I'm counting on.


First, we must be talking about friction, not indexing, because with 
indexing all shifting is easy, no big deal.  With friction, it seems to 
vary: some have no trouble friction shifting 9 or even 10, while others 
(myself included) found too much ghost shifting with 8 and find 7 
significantly easier.


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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Evan Baird
All I can say is I've saving my pennies for one of these.

https://s3-us-west-1.amazonaws.com/paulcompimg/products/chainkeeperclamp_6_zoom.jpg

http://www.paulcomp.com/chainkeepers.html

I've had my chain come off so many times in the last couple weeks and it's 
driving me bonkers.

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Deacon Patrick
Thanks guys! I'm far more confident in my 2 x 9 choice, though I do love 
the attractiveness of a 1x. Looking back at all the backpacking (photos are 
the closest thing I have to experiential memory) I see the hills I climb 
with a load, and that makes it clear I need the 2 x 9. Thank you for 
playing with this with me!

With abandon,
Patrick

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Garth


Well Patrick, it appears to me that this striving for simplicity is being 
made rather complicated ! yes ?  

Perfection is the I of the beholder. It's not the circumstances that make 
things just as I prefer , it one's attitude, the Feeling that things are 
just as I prefer that creates the experience of perfection.  

It's not about the bike, or anything other than your feeling attitude and 
Assumption of what Is for me.  All the ideas and images for the bike, 
come from that attitude. Attempts to change things without a change of 
attitude and assumption is futile.  Sheer futility !   

So I ask, What is You really want, what is the Feeling of it *already being 
done* ?
THAT feeling . .  BAM !   Live *From* that Feeling, and the rest will take 
care of itself . 


- And for anyone thinks this is too far out for you, it is, so forget you 
ever saw it. Or not.  What do you think LIFE is all about ? Doing this that 
and the other ?   Heck no, the Life is but a means , a means to Feel and 
Express Freedom , Liberation from all the perceived burdens and 
restrictions that One carries with them. Everyone is doing this , all day 
every day. This *Passion*, as they say makes the World go 'round . 

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Deacon Patrick
Ha! It's worth pointing out that sometimes a drivetrain is just a 
drivetrain. Grin.

With abandon,
Patrick

On Wednesday, April 9, 2014 11:42:26 AM UTC-6, Garth wrote:



 Well Patrick, it appears to me that this striving for simplicity is 
 being made rather complicated ! yes ?  

 Perfection is the I of the beholder. It's not the circumstances that make 
 things just as I prefer , it one's attitude, the Feeling that things are 
 just as I prefer that creates the experience of perfection.  

 It's not about the bike, or anything other than your feeling attitude and 
 Assumption of what Is for me.  All the ideas and images for the bike, 
 come from that attitude. Attempts to change things without a change of 
 attitude and assumption is futile.  Sheer futility !   

 So I ask, What is You really want, what is the Feeling of it *already 
 being done* ?
 THAT feeling . .  BAM !   Live *From* that Feeling, and the rest will 
 take care of itself . 


 - And for anyone thinks this is too far out for you, it is, so forget 
 you ever saw it. Or not.  What do you think LIFE is all about ? Doing this 
 that and the other ?   Heck no, the Life is but a means , a means to Feel 
 and Express Freedom , Liberation from all the perceived burdens and 
 restrictions that One carries with them. Everyone is doing this , all day 
 every day. This *Passion*, as they say makes the World go 'round . 



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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Steve Palincsar

On 04/09/2014 12:37 PM, Deacon Patrick wrote:
Thanks guys! I'm far more confident in my 2 x 9 choice, though I do 
love the attractiveness of a 1x. Looking back at all the backpacking 
(photos are the closest thing I have to experiential memory) I see 
the hills I climb with a load, and that makes it clear I need the 2 x 
9. Thank you for playing with this with me!


Now, your next step should include refining and lightening your load.  
Over on the iBOB list, not long ago there was a discussion on this 
topic.  I believe with a good selection of the latest equipment it's 
possible to greatly lighten your load without compromising either 
function or comfort.

https://groups.google.com/forum/#!searchin/internet-bob/camping$20equipment/internet-bob/snuT5mNU01Q/_woTXtwVFp0J
Some of this http://alexwetmore.org/?cat=165 might be helpful as well.

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Ron Mc
Sheldon has already done the math for us - put in your sprockets and try a 
few chainrings to see what you like.  

On Wednesday, April 9, 2014 12:50:14 PM UTC-5, Deacon Patrick wrote:

 Ha! It's worth pointing out that sometimes a drivetrain is just a 
 drivetrain. Grin.

 With abandon,
 Patrick

 On Wednesday, April 9, 2014 11:42:26 AM UTC-6, Garth wrote:



 Well Patrick, it appears to me that this striving for simplicity is 
 being made rather complicated ! yes ?  

 Perfection is the I of the beholder. It's not the circumstances that make 
 things just as I prefer , it one's attitude, the Feeling that things are 
 just as I prefer that creates the experience of perfection.  

 It's not about the bike, or anything other than your feeling attitude and 
 Assumption of what Is for me.  All the ideas and images for the bike, 
 come from that attitude. Attempts to change things without a change of 
 attitude and assumption is futile.  Sheer futility !   

 So I ask, What is You really want, what is the Feeling of it *already 
 being done* ?
 THAT feeling . .  BAM !   Live *From* that Feeling, and the rest will 
 take care of itself . 


 - And for anyone thinks this is too far out for you, it is, so forget 
 you ever saw it. Or not.  What do you think LIFE is all about ? Doing this 
 that and the other ?   Heck no, the Life is but a means , a means to Feel 
 and Express Freedom , Liberation from all the perceived burdens and 
 restrictions that One carries with them. Everyone is doing this , all day 
 every day. This *Passion*, as they say makes the World go 'round . 



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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Deacon Patrick
Thanks, Steve. No worries there. I'm already as light as I care to go (and 
lighter than most from what I can tell). There are too many things that 
happen unexpectedly, I I prefer a bit of weight to have gear to handle 
them. Like funnel clouds on Pikes Peak last year. Or record rains. Or... 
Grin.

With abandon,
Patrick

On Wednesday, April 9, 2014 11:55:13 AM UTC-6, Steve Palincsar wrote:

 On 04/09/2014 12:37 PM, Deacon Patrick wrote: 
  Thanks guys! I'm far more confident in my 2 x 9 choice, though I do 
  love the attractiveness of a 1x. Looking back at all the backpacking 
  (photos are the closest thing I have to experiential memory) I see 
  the hills I climb with a load, and that makes it clear I need the 2 x 
  9. Thank you for playing with this with me! 

 Now, your next step should include refining and lightening your load.   
 Over on the iBOB list, not long ago there was a discussion on this 
 topic.  I believe with a good selection of the latest equipment it's 
 possible to greatly lighten your load without compromising either 
 function or comfort. 

 https://groups.google.com/forum/#!searchin/internet-bob/camping$20equipment/internet-bob/snuT5mNU01Q/_woTXtwVFp0J
  
 Some of this http://alexwetmore.org/?cat=165 might be helpful as well. 



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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Matthew J
I really like 9 speed for the 36T cassette though. Best bike component to 
come out in the last decade or so. 

Appears he does no longer, but Jeff Jones for a time modified the 9 into a 
6 speed cassette with a 36 (or is it 38?  Will have to check) low gear. 
 The modified cassette works with a single speed hub allowing for less dish 
on the wheel.

On Wednesday, April 9, 2014 8:26:55 AM UTC-5, cyclot...@gmail.com wrote:

 Define shifting ease? There's really no difference between 8 or 9 in 
 amount of effort to shift??? I really like 9 speed for the 36T cassette 
 though. Best bike component to come out in the last decade or so.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Wed, Apr 9, 2014 at 3:02 AM, Deacon Patrick lamon...@mac.comjavascript:
  wrote:

 Another great point to consider, as I'm currently using an 8 speed 
 cassette. How much drop off in shifting ease have you experienced with your 
 9x2 in the rear vs. an 8, David?

 With abandon,
 Patrick


 On Tuesday, April 8, 2014 9:03:38 PM UTC-6, cyclot...@gmail.com wrote:

 Larry, eight speed is nice as well, as they still use a regular chain.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Tue, Apr 8, 2014 at 8:02 PM, LF fie...@gmail.com wrote:

  Patrick my friend,
 Not exactly to the point, but I think 7-speed rear clusters are at the 
 pinacle of bike gear technology. They are more forgiving when shifting, 
 last longer, have wider chains. Simple and practical! A nice wide range 
 2X7 
  Roll on!
 Best,
 Larry

 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. 
 here is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 
 4.7 from 6 translates to speed loss. On flat or gradual descents, I 
 suspect 
 I would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is 
 practical. I’d love to go with the 36t on a 1x set up, but it would add 
 significantly to the number of hills i’m walking, especially when 
 bikepacking. Perhaps going with a 30 or 32t 1x set up is the way to go? I 
 will no doubt get stronger and the loss may not be a big deal with that. 
 But then it’s better to lose gears on the upper range and coast more, and 
 enjoy the ride on the climbs without killing myself.

 All wisdom deeply appreciated.
  
 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  
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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Steve Palincsar

On 04/09/2014 02:09 PM, Deacon Patrick wrote:
Thanks, Steve. No worries there. I'm already as light as I care to go 
(and lighter than most from what I can tell). There are too many 
things that happen unexpectedly, I I prefer a bit of weight to have 
gear to handle them. Like funnel clouds on Pikes Peak last year. Or 
record rains.


The joy of this is the equipment retains all its functionality, it's 
just that it's gotten lighter.



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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Deacon Patrick
Och, Steve! You're cute. Grin. Do you know what I take or what my stuff 
weighs? 60 pounds including food and water for 21 days. Lighter than that 
is possible, but I've been there, done that and no, the light weight stuff 
always sacrifices more than weight. Basic kit is under 20 pounds.

With abandon,
Patrick

On Wednesday, April 9, 2014 2:28:04 PM UTC-6, Steve Palincsar wrote:

 On 04/09/2014 02:09 PM, Deacon Patrick wrote: 
  Thanks, Steve. No worries there. I'm already as light as I care to go 
  (and lighter than most from what I can tell). There are too many 
  things that happen unexpectedly, I I prefer a bit of weight to have 
  gear to handle them. Like funnel clouds on Pikes Peak last year. Or 
  record rains. 

 The joy of this is the equipment retains all its functionality, it's 
 just that it's gotten lighter. 




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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Michael Hechmer
Deacon,  I'm sitting in an Inn after a hard drive across a chunk of Md., 
all of Delaware, NJ, and up NY to Rhinebeck so my brain is too tired for a 
full answer.  So here's the short version.

All gearing combinations involve trade offs among 4 variables - hi/low 
which you have identified; but also how big the jumps are between gears; 
the ease of getting from one gear to the next; and where your favorite 
gears are. 

The wider the hi/low range the wider the steps between gears, but this can 
be counteracted to some degree by going to a dbl and then a triple.  A wide 
range cassette always yields large steps between gears, which I don't like. 
  I usually run a 12-27 or at most an 11-28.  Even with that, on our riding 
in flat Virginia I only used 3 gears but two of them were too far apart.

So the double will let you get a pretty wide range with smaller steps.  But 
with many doubles the next gear can be an awkward front shift and a 2 or 3 
click rear shift leaving you between the gear you would really like.  A 
ring difference of 10 tends to yield the simplest shifting pattern - a 
single click to the next gear.   14 tooth difference yields 2 clicks to the 
next gear.  I tend to find the 12 difference leaving me between gears.  I 
try to create sets with about 10% between gears  especially in the most 
used middle.

Finally, think about which gears you use the most and try to get a good 
chain line and easy pattern between them.

I rarely use a ratio of less than 1 to 1 and never more than 4-1.  For 
example my Ram has a 44/30 and an 11/27 while the Saluki a 48/34/26 (24 for 
big long climbs) with a 12-27.  The tandem, likes easy shifting, so 
48/38/28 with a 12-27.  It feels very stressful to me to try to spin a 
ratio much below 1-1 fast enough to keep a bike upright for a long time. 
 To each his own.

Simplification is good, over simplification makes life more complicated 
than it needs to be.

Michael


On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. here 
 is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 4.7 
 from 6 translates to speed loss. On flat or gradual descents, I suspect I 
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical. 
 I’d love to go with the 36t on a 1x set up, but it would add significantly 
 to the number of hills i’m walking, especially when bikepacking. Perhaps 
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get 
 stronger and the loss may not be a big deal with that. But then it’s better 
 to lose gears on the upper range and coast more, and enjoy the ride on the 
 climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  


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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Deacon Patrick
Thanks, Michael! Rest well after your long drive! Yes, indeed. The 
challenge of simplicity is the complexity of discovering what is essential 
and what is noise. Grin.

With abandon,
Patrick

On Wednesday, April 9, 2014 3:36:16 PM UTC-6, Michael Hechmer wrote:

 Deacon,  I'm sitting in an Inn after a hard drive across a chunk of Md., 
 all of Delaware, NJ, and up NY to Rhinebeck so my brain is too tired for a 
 full answer.  So here's the short version.

 All gearing combinations involve trade offs among 4 variables - hi/low 
 which you have identified; but also how big the jumps are between gears; 
 the ease of getting from one gear to the next; and where your favorite 
 gears are. 

 The wider the hi/low range the wider the steps between gears, but this can 
 be counteracted to some degree by going to a dbl and then a triple.  A wide 
 range cassette always yields large steps between gears, which I don't like. 
   I usually run a 12-27 or at most an 11-28.  Even with that, on our riding 
 in flat Virginia I only used 3 gears but two of them were too far apart.

 So the double will let you get a pretty wide range with smaller steps. 
  But with many doubles the next gear can be an awkward front shift and a 2 
 or 3 click rear shift leaving you between the gear you would really like. 
  A ring difference of 10 tends to yield the simplest shifting pattern - a 
 single click to the next gear.   14 tooth difference yields 2 clicks to the 
 next gear.  I tend to find the 12 difference leaving me between gears.  I 
 try to create sets with about 10% between gears  especially in the most 
 used middle.

 Finally, think about which gears you use the most and try to get a good 
 chain line and easy pattern between them.

 I rarely use a ratio of less than 1 to 1 and never more than 4-1.  For 
 example my Ram has a 44/30 and an 11/27 while the Saluki a 48/34/26 (24 for 
 big long climbs) with a 12-27.  The tandem, likes easy shifting, so 
 48/38/28 with a 12-27.  It feels very stressful to me to try to spin a 
 ratio much below 1-1 fast enough to keep a bike upright for a long time. 
  To each his own.

 Simplification is good, over simplification makes life more complicated 
 than it needs to be.

 Michael


 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. here 
 is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 4.7 
 from 6 translates to speed loss. On flat or gradual descents, I suspect I 
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical. 
 I’d love to go with the 36t on a 1x set up, but it would add significantly 
 to the number of hills i’m walking, especially when bikepacking. Perhaps 
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get 
 stronger and the loss may not be a big deal with that. But then it’s better 
 to lose gears on the upper range and coast more, and enjoy the ride on the 
 climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  


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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Steve Palincsar

On 04/09/2014 05:36 PM, Michael Hechmer wrote:
Deacon,  I'm sitting in an Inn after a hard drive across a chunk of 
Md., all of Delaware, NJ, and up NY to Rhinebeck so my brain is too 
tired for a full answer.  So here's the short version.


All gearing combinations involve trade offs among 4 variables - hi/low 
which you have identified; but also how big the jumps are between 
gears; the ease of getting from one gear to the next; and where your 
favorite gears are.


The wider the hi/low range the wider the steps between gears, but this 
can be counteracted to some degree by going to a dbl and then a 
triple.  A wide range cassette always yields large steps between 
gears, which I don't like.   I usually run a 12-27 or at most an 
11-28.  Even with that, on our riding in flat Virginia I only used 3 
gears but two of them were too far apart.


So the double will let you get a pretty wide range with smaller steps. 
 But with many doubles the next gear can be an awkward front shift and 
a 2 or 3 click rear shift leaving you between the gear you would 
really like.  A ring difference of 10 tends to yield the simplest 
shifting pattern - a single click to the next gear.   14 tooth 
difference yields 2 clicks to the next gear.  I tend to find the 12 
difference leaving me between gears.  I try to create sets with about 
10% between gears  especially in the most used middle.


Finally, think about which gears you use the most and try to get a 
good chain line and easy pattern between them.


I rarely use a ratio of less than 1 to 1 and never more than 4-1.  For 
example my Ram has a 44/30 and an 11/27 while the Saluki a 48/34/26 
(24 for big long climbs) with a 12-27.  The tandem, likes easy 
shifting, so 48/38/28 with a 12-27.  It feels very stressful to me to 
try to spin a ratio much below 1-1 fast enough to keep a bike upright 
for a long time.  To each his own.


Simplification is good, over simplification makes life more 
complicated than it needs to be.




Bloody marvelous answer.  It's hard to see how a not-tired brain could 
improve upon this in any respect.


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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread ted
Patrick,

If you start getting particular about your gearing preferences, I think the 
whole issue becomes quite subjective and driven by personal preferences. 
Michael clearly likes his arrangements, which I certainly don't, and he 
specifically recommends against arrangements I use and particularly like. 
What you are going to like is, ... well I guess I haven't much of a 
clue. But as a counterpoint to Michael's take I will submit the following.
When I change rings, I want to it change my gear by more than a cog or two 
in the back would. For me changing rings is about moving back towards (or 
past) the center of the cassette after working towards one end (or avoiding 
going out to towards the end in the first place). Back in the 70s I rode 
44/52 rings with a 14-18 freewheel and liked it a lot. But now that many of 
us have moved from 5 cog freewheels to 9 cog cassettes, I think larger 
differences between chainrings make more sense and work better. When I used 
to race I really valued one tooth steps in back, but now days I am more 
relaxed about effort and two tooth steps in the middle cogs seems ok and 
the increased range back there seems worth the loss in resolution. If your 
cassette has steps of two teeth in your cruising gears and three or four 
teeth on the big end then that also argues for bigger steps in your 
chainrings than a cassette that has one and two tooth steps.
As is so often the case what you like is up to you, and you should ride 
what you like.
I hope you enjoy figuring out what works best for you and your preferences.

regards
Ted

On Wednesday, April 9, 2014 2:36:16 PM UTC-7, Michael Hechmer wrote:

 Deacon,  I'm sitting in an Inn after a hard drive across a chunk of Md., 
 all of Delaware, NJ, and up NY to Rhinebeck so my brain is too tired for a 
 full answer.  So here's the short version.

 All gearing combinations involve trade offs among 4 variables - hi/low 
 which you have identified; but also how big the jumps are between gears; 
 the ease of getting from one gear to the next; and where your favorite 
 gears are. 

 The wider the hi/low range the wider the steps between gears, but this can 
 be counteracted to some degree by going to a dbl and then a triple.  A wide 
 range cassette always yields large steps between gears, which I don't like. 
   I usually run a 12-27 or at most an 11-28.  Even with that, on our riding 
 in flat Virginia I only used 3 gears but two of them were too far apart.

 So the double will let you get a pretty wide range with smaller steps. 
  But with many doubles the next gear can be an awkward front shift and a 2 
 or 3 click rear shift leaving you between the gear you would really like. 
  A ring difference of 10 tends to yield the simplest shifting pattern - a 
 single click to the next gear.   14 tooth difference yields 2 clicks to the 
 next gear.  I tend to find the 12 difference leaving me between gears.  I 
 try to create sets with about 10% between gears  especially in the most 
 used middle.

 Finally, think about which gears you use the most and try to get a good 
 chain line and easy pattern between them.

 I rarely use a ratio of less than 1 to 1 and never more than 4-1.  For 
 example my Ram has a 44/30 and an 11/27 while the Saluki a 48/34/26 (24 for 
 big long climbs) with a 12-27.  The tandem, likes easy shifting, so 
 48/38/28 with a 12-27.  It feels very stressful to me to try to spin a 
 ratio much below 1-1 fast enough to keep a bike upright for a long time. 
  To each his own.

 Simplification is good, over simplification makes life more complicated 
 than it needs to be.

 Michael


 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. here 
 is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 4.7 
 from 6 translates to speed loss. On flat or gradual descents, I suspect I 
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical. 
 I’d love to go with the 36t on a 1x set up, but it would add significantly 
 to the number of hills i’m walking, especially when bikepacking. Perhaps 
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get 
 stronger and the loss may not be a big deal with that. But then it’s better 
 to lose gears on the upper range and coast more, and enjoy the ride on the 
 climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  


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To 

[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread Deacon Patrick
Exactly, Ted. The set-up you describe is precisely what I'm looking forward 
to moving toward. I'd go with even more difference in the front than 24/36 
except that I want to mostly ride the 36, only dropping into the granny if 
essential, ideally only when leaded. Since I'm happy with the top end of 36 
now, I see no reason to go up and lose personal preference functionality (I 
believe that is the technical term for what we're talking about. Grin.).

With abandon,
Patrick

On Wednesday, April 9, 2014 7:20:59 PM UTC-6, ted wrote:

 Patrick,

 If you start getting particular about your gearing preferences, I think 
 the whole issue becomes quite subjective and driven by personal 
 preferences. Michael clearly likes his arrangements, which I certainly 
 don't, and he specifically recommends against arrangements I use and 
 particularly like. What you are going to like is, ... well I guess I 
 haven't much of a clue. But as a counterpoint to Michael's take I will 
 submit the following.
 When I change rings, I want to it change my gear by more than a cog or two 
 in the back would. For me changing rings is about moving back towards (or 
 past) the center of the cassette after working towards one end (or avoiding 
 going out to towards the end in the first place). Back in the 70s I rode 
 44/52 rings with a 14-18 freewheel and liked it a lot. But now that many of 
 us have moved from 5 cog freewheels to 9 cog cassettes, I think larger 
 differences between chainrings make more sense and work better. When I used 
 to race I really valued one tooth steps in back, but now days I am more 
 relaxed about effort and two tooth steps in the middle cogs seems ok and 
 the increased range back there seems worth the loss in resolution. If your 
 cassette has steps of two teeth in your cruising gears and three or four 
 teeth on the big end then that also argues for bigger steps in your 
 chainrings than a cassette that has one and two tooth steps.
 As is so often the case what you like is up to you, and you should ride 
 what you like.
 I hope you enjoy figuring out what works best for you and your preferences.

 regards
 Ted

 On Wednesday, April 9, 2014 2:36:16 PM UTC-7, Michael Hechmer wrote:

 Deacon,  I'm sitting in an Inn after a hard drive across a chunk of Md., 
 all of Delaware, NJ, and up NY to Rhinebeck so my brain is too tired for a 
 full answer.  So here's the short version.

 All gearing combinations involve trade offs among 4 variables - hi/low 
 which you have identified; but also how big the jumps are between gears; 
 the ease of getting from one gear to the next; and where your favorite 
 gears are. 

 The wider the hi/low range the wider the steps between gears, but this 
 can be counteracted to some degree by going to a dbl and then a triple.  A 
 wide range cassette always yields large steps between gears, which I don't 
 like.   I usually run a 12-27 or at most an 11-28.  Even with that, on our 
 riding in flat Virginia I only used 3 gears but two of them were too far 
 apart.

 So the double will let you get a pretty wide range with smaller steps. 
  But with many doubles the next gear can be an awkward front shift and a 2 
 or 3 click rear shift leaving you between the gear you would really like. 
  A ring difference of 10 tends to yield the simplest shifting pattern - a 
 single click to the next gear.   14 tooth difference yields 2 clicks to the 
 next gear.  I tend to find the 12 difference leaving me between gears.  I 
 try to create sets with about 10% between gears  especially in the most 
 used middle.

 Finally, think about which gears you use the most and try to get a good 
 chain line and easy pattern between them.

 I rarely use a ratio of less than 1 to 1 and never more than 4-1.  For 
 example my Ram has a 44/30 and an 11/27 while the Saluki a 48/34/26 (24 for 
 big long climbs) with a 12-27.  The tandem, likes easy shifting, so 
 48/38/28 with a 12-27.  It feels very stressful to me to try to spin a 
 ratio much below 1-1 fast enough to keep a bike upright for a long time. 
  To each his own.

 Simplification is good, over simplification makes life more complicated 
 than it needs to be.

 Michael


 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. 
 here is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 4.7 
 from 6 translates to speed loss. On flat or gradual descents, I suspect I 
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical. 
 I’d love to go with the 36t on a 1x set up, but it would add significantly 
 to the number of hills i’m walking, especially when bikepacking. 

Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-09 Thread cyclotourist
Sounds exactly like something I would expect coming from his shop!

Cheers,
David

it isn't a contest. Just enjoy the ride. - Seth Vidal





On Wed, Apr 9, 2014 at 11:27 AM, Matthew J matthewj...@gmail.com wrote:

 I really like 9 speed for the 36T cassette though. Best bike component to
 come out in the last decade or so.

 Appears he does no longer, but Jeff Jones for a time modified the 9 into a
 6 speed cassette with a 36 (or is it 38?  Will have to check) low gear.
  The modified cassette works with a single speed hub allowing for less dish
 on the wheel.


 On Wednesday, April 9, 2014 8:26:55 AM UTC-5, cyclot...@gmail.com wrote:

 Define shifting ease? There's really no difference between 8 or 9 in
 amount of effort to shift??? I really like 9 speed for the 36T cassette
 though. Best bike component to come out in the last decade or so.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Wed, Apr 9, 2014 at 3:02 AM, Deacon Patrick lamon...@mac.com wrote:

 Another great point to consider, as I'm currently using an 8 speed
 cassette. How much drop off in shifting ease have you experienced with your
 9x2 in the rear vs. an 8, David?

 With abandon,
 Patrick


 On Tuesday, April 8, 2014 9:03:38 PM UTC-6, cyclot...@gmail.com wrote:

 Larry, eight speed is nice as well, as they still use a regular chain.

 Cheers,
 David

 it isn't a contest. Just enjoy the ride. - Seth Vidal





 On Tue, Apr 8, 2014 at 8:02 PM, LF fie...@gmail.com wrote:

  Patrick my friend,
 Not exactly to the point, but I think 7-speed rear clusters are at the
 pinacle of bike gear technology. They are more forgiving when shifting,
 last longer, have wider chains. Simple and practical! A nice wide range 
 2X7
  Roll on!
 Best,
 Larry

 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train.
 here is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don't really need lower than 1.5, and I am unsure how the drop to
 4.7 from 6 translates to speed loss. On flat or gradual descents, I 
 suspect
 I would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is
 practical. I'd love to go with the 36t on a 1x set up, but it would add
 significantly to the number of hills i'm walking, especially when
 bikepacking. Perhaps going with a 30 or 32t 1x set up is the way to go? I
 will no doubt get stronger and the loss may not be a big deal with that.
 But then it's better to lose gears on the upper range and coast more, and
 enjoy the ride on the climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-08 Thread dougP
I'd go with the 2 x 9.  With just 2 chainrings, shifting will be easy on 
the front and 24  36 have worked well together.  The 1 x 9 seems just a 
bit narrow, with less than 3:1 overall range.  Just my 2 cents.  I suffer 
separation anxiety without a triple, so you know my bias :).  

dougP

On Tuesday, April 8, 2014 6:45:03 PM UTC-7, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. here 
 is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 4.7 
 from 6 translates to speed loss. On flat or gradual descents, I suspect I 
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical. 
 I’d love to go with the 36t on a 1x set up, but it would add significantly 
 to the number of hills i’m walking, especially when bikepacking. Perhaps 
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get 
 stronger and the loss may not be a big deal with that. But then it’s better 
 to lose gears on the upper range and coast more, and enjoy the ride on the 
 climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  


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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-08 Thread RoadieRyan
Hi Patrick

I made this switch on my Handsome devil about 3 years ago and love it, I 
have rarely found I miss the high end and the low is low enough to get me 
up most of the hills here in hilly west Seattle, I am a gear inches fan 
since finding Sheldon Browns gear calculator and I set up my bike with; 36t 
chain-ring, a 12-36t cassette,  Deore LX RD and Ultegra bar end shifter and 
it gives me great coverage per below.   Unless you really love to mash the 
gears going down hill I doubt you'll miss the top end.  Cheers 

Ryan

36  Cassette Gear Inches  12 81.5  14 69.9  16 61.1  18 54.3  21 46.6  
24 40.8  28 34.9  32 30.6  36 27.2 
On Tuesday, April 8, 2014 6:45:03 PM UTC-7, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. here 
 is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 4.7 
 from 6 translates to speed loss. On flat or gradual descents, I suspect I 
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical. 
 I’d love to go with the 36t on a 1x set up, but it would add significantly 
 to the number of hills i’m walking, especially when bikepacking. Perhaps 
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get 
 stronger and the loss may not be a big deal with that. But then it’s better 
 to lose gears on the upper range and coast more, and enjoy the ride on the 
 climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  


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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-08 Thread rcnute
1x9 is great.  I ran a 42 tooth ring with 11/32 cassette on a road bike and 
could get up most anything.  34 ring and 11-34 for MTB.

Ryan

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[RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-08 Thread LF
Patrick my friend,
Not exactly to the point, but I think 7-speed rear clusters are at the 
pinacle of bike gear technology. They are more forgiving when shifting, 
last longer, have wider chains. Simple and practical! A nice wide range 2X7 
 Roll on!
Best,
Larry

On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. here 
 is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be 
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don’t really need lower than 1.5, and I am unsure how the drop to 4.7 
 from 6 translates to speed loss. On flat or gradual descents, I suspect I 
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical. 
 I’d love to go with the 36t on a 1x set up, but it would add significantly 
 to the number of hills i’m walking, especially when bikepacking. Perhaps 
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get 
 stronger and the loss may not be a big deal with that. But then it’s better 
 to lose gears on the upper range and coast more, and enjoy the ride on the 
 climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*
  


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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-08 Thread cyclotourist
I've gone to a 2X9 with a bash-guard instead of the outside ring on my
29er, and use ALL of the ratios provided. That's from a 22X36 low to a
36X11 high. It's pretty wide-range for a double, and I only very
occasionally wish for a taller gear on it. That said, try the 1X9 set up
and if it gives you enough range. If not, it's a relatively painless job to
switch back to a 2X9. But try it for a while and see if you get used to it,
similar to the way you would have to with a singlspeed.

Cheers,
David

it isn't a contest. Just enjoy the ride. - Seth Vidal





On Tue, Apr 8, 2014 at 7:43 PM, RoadieRyan ryansub...@gmail.com wrote:

 Hi Patrick

 I made this switch on my Handsome devil about 3 years ago and love it, I
 have rarely found I miss the high end and the low is low enough to get me
 up most of the hills here in hilly west Seattle, I am a gear inches fan
 since finding Sheldon Browns gear calculator and I set up my bike with; 36t
 chain-ring, a 12-36t cassette,  Deore LX RD and Ultegra bar end shifter and
 it gives me great coverage per below.   Unless you really love to mash the
 gears going down hill I doubt you'll miss the top end.  Cheers

 Ryan

 36  Cassette Gear Inches  12 81.5  14 69.9  16 61.1  18 54.3  21 46.6
 24 40.8  28 34.9  32 30.6  36 27.2

 On Tuesday, April 8, 2014 6:45:03 PM UTC-7, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. here
 is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don't really need lower than 1.5, and I am unsure how the drop to 4.7
 from 6 translates to speed loss. On flat or gradual descents, I suspect I
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical.
 I'd love to go with the 36t on a 1x set up, but it would add significantly
 to the number of hills i'm walking, especially when bikepacking. Perhaps
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get
 stronger and the loss may not be a big deal with that. But then it's better
 to lose gears on the upper range and coast more, and enjoy the ride on the
 climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*

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Re: [RBW] Re: Contemplating 1 x 9 drivetrain

2014-04-08 Thread cyclotourist
Larry, eight speed is nice as well, as they still use a regular chain.

Cheers,
David

it isn't a contest. Just enjoy the ride. - Seth Vidal





On Tue, Apr 8, 2014 at 8:02 PM, LF fie...@gmail.com wrote:

 Patrick my friend,
 Not exactly to the point, but I think 7-speed rear clusters are at the
 pinacle of bike gear technology. They are more forgiving when shifting,
 last longer, have wider chains. Simple and practical! A nice wide range 2X7
  Roll on!
 Best,
 Larry

 On Tuesday, April 8, 2014 9:45:03 PM UTC-4, Deacon Patrick wrote:

 I am contemplating whether to go 1 x 9 or 2 x 9 with my drive train. here
 is the gear ration range comparison:

 In gain ratios:

 Current range (excluding my big ring, which I rarely use and will be
 dropping):
 1.5 - 6

 1 x 9 (28 x 12-36)
 1.6 - 4.7

 2 x 9 (24/36 x 12-36)
 1.3 - 6

 I don't really need lower than 1.5, and I am unsure how the drop to 4.7
 from 6 translates to speed loss. On flat or gradual descents, I suspect I
 would miss those upper gears. Can anyone provide their wisdom here?

 I am asking the question because I want to go as simple as is practical.
 I'd love to go with the 36t on a 1x set up, but it would add significantly
 to the number of hills i'm walking, especially when bikepacking. Perhaps
 going with a 30 or 32t 1x set up is the way to go? I will no doubt get
 stronger and the loss may not be a big deal with that. But then it's better
 to lose gears on the upper range and coast more, and enjoy the ride on the
 climbs without killing myself.

 All wisdom deeply appreciated.

 With abandon,
 Patrick

 *www.MindYourHeadCoop.org http://www.MindYourHeadCoop.org*
 *www.OurHolyConception.org http://www.OurHolyConception.org*

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 You received this message because you are subscribed to the Google Groups
 RBW Owners Bunch group.
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 To post to this group, send email to rbw-owners-bunch@googlegroups.com.
 Visit this group at http://groups.google.com/group/rbw-owners-bunch.
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