Re: [RBW] Sunrace make good cassettes?

2017-09-02 Thread Steve Palincsar


On 09/02/2017 12:03 PM, lum gim fong wrote:

With my triple I am constantly switching between 2nd and 3rd rings. If I can 
juat stay on one ring that might be better.



To me this indicates your choice of chain rings and sprockets is not 
optimal for you.   Quoting Jan Heine from 3 Nov 2012 
https://janheine.wordpress.com/2012/11/03/how-to-choose-your-chainrings/


   When I select my gearing, I think of three gears:

 * *Base gear: *This is the gear I mostly use on flat roads when
   spinning along.
 * *High gear: *This is the largest gear that I use when I am
   sprinting for a city limit sign with friends, or riding with a
   powerful tailwind.
 * *Low gear: *This is the smallest gear I need on the roads I
   usually ride.

   In addition to covering the range from low to high gear, a good gear
   selection will do the following:

 * Put the base gear in the middle of the rear freewheel/cassette,
   so that I can adjust to changes in speed and terrain with a
   simple shift or two in the rear.
 * Provide small enough steps between gears, so that I can continue
   pedaling seamlessly.

It's one reason why the oh-so-common 34/50 just doesn't work for me at 
all.  The 50 puts my base gear almost at the shift point when I have to 
cross over for even the slightest increase in incline, and that's just 
maddening.  My 24/36/46 puts my base gear on the 46 right in the middle 
of the cassette, and I can stay on the big ring for over 90% of my riding.



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[RBW] Sunrace make good cassettes?

2017-09-02 Thread lum gim fong
Less shifting if I can do 99% of riding on the big ring, bashguard looks so 
nice on those arms, less gears, i like simplifying. So I want to try the setup. 
Maybe reduce a little weight if I switch to double/shortcage derailers.

With my triple I am constantly switching between 2nd and 3rd rings. If I can 
juat stay on one ring that might be better.

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[RBW] Sunrace make good cassettes?

2017-09-02 Thread Garth
Oh shoot, I see you're using 650b wheels, hence the 11t need. Is there a reason 
why you're not using triple rings on that bike, that'd be more versatile. Just 
one main large ring would be alright for modest terrain but for hills I know I 
would like it, that's just me . I truly am not fond of riding in tiny rings 
(24-26), only as a last resort. Having a 24/3x/4x is just so darn useful !  
Bigger rings just feel better to me and always have. 

As for riding long mountain rides in racing gears, sure, I used to do it long 
ago, with 42/52 and 12-25 7 sp.!  Heck a 39 ring and a 27t cog would have been 
a revelation back then. A compact double of 34 or 36-50 would have been 
"touring" gears !  

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[RBW] Sunrace make good cassettes?

2017-09-02 Thread Garth
You really have to know yourself as to your gear selections. Me, I would not 
get any cassette that had a 21 to 26 tooth jump on it like some of the wide 
range ones do. I would even question a 100" high gear. I could just as easily 
live with around 90 since it is actually used by me much more than a 100, and I 
live in a hilly area. Coasting at high speed is alot more fun.  So it looks 
like for a setup like yours that'd be a 12-32/34 8 sp. 12-14-16-18-21-24-28-32 
or 34. If I am in a situation where I really needed a 24-32, an even lower gear 
would not really help since going that slow is no fun for me anyways so I'd 
rather not ride on such roads. So between a 32 or 34 that'd be an either-or, 
whichever one has all the other cogs. Sunrace seems to have both. 

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Re: [RBW] Sunrace make good cassettes?

2017-09-01 Thread Steve Palincsar


On 09/01/2017 06:48 PM, lum gim fong wrote:
Deciding to get Shimano HG51 8-speed 11-32 or 11-34 and I see Sunrace 
has same.

Was wondering if they are comparable in quality or not.



I'm using a customized 8 speed 12-32 Sunrace cassette I turned into a 
13-32 on my Jack Taylor.  I like it a lot, every bit as nice as a 
typical Shimano to my eyes.   Dirt cheap, too -- around $20, compared to 
the over $100 the Shimano XTR 12-32, long out of production, goes for on 
ebay NOS, although not as nicely finished as an XTR and heavier because 
no spider, all full size sprockets bolted together.


However, I did talk to someone on a ride last week who tried to use that 
same cassette and, according to her, it was impossible to get proper 
indexing throughout the range because, she alleges, it wasn't spaced 
correctly throughout the range.  Now this puzzles me no end, as I have 
never ever not even once encountered a cassette that had incorrect 
spacers and didn't line up properly for indexing.  I could see, however, 
that if a shop ran a cable incorrectly to the rear derailleur and used 
the "alternate cable routing" that alters cable pull so that, for 
example, you could use an 8 speed shifter on a 7 speed cassette, that 
indexing could end up wrong.


And I have very recent experience with a shop running cables wrong. My 
Jack Taylor has an under-the-bottom bracket shell braezed on cable eye 
for the rear shift cable, but (since it was offered only as a 
single/fixed or 5 speed back in 1963, when it was made) nothing for the 
left side cable.  So I'm using a Campagnolo bolt on cable guide, only 
using a cable on the left.  But the cable kept jumping out when I was 
cresting a hill.  Turns out the shop's head mechanic used the so called 
"alternate cable routing" (suitable, the Internet says, for bikes with 
downtube shifters mounted on top of the downtube) rather than the 
odd-looking but "correct" routing.   When I switched to the correct 
routing, no more cable jumping out.


I asked her if she still had the cassette and said I'd buy it from her, 
but I never heard back.  No idea if the mail went to a dead address or 
she's just ignoring the mail.


But my money is on the shop messing up the cable rather than Sunrace 
messing up the cassette.


My only question is, why an 11T small sprocket.  IMHO unless you've got 
a 17 or 20 inch wheel, they're useless.  I swapped my 1st position 12 
for a 13.


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[RBW] Sunrace make good cassettes?

2017-09-01 Thread lum gim fong
Deciding to get Shimano HG51 8-speed 11-32 or 11-34 and I see Sunrace has 
same.
Was wondering if they are comparable in quality or not.

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