Re: [RBW] Chain rubbing rear tire on Clem.

2020-02-26 Thread Joe Bernard 
Mark, my memory of this may be incorrect based on I bought a first-gen frame 
and used Sugino cranks. At any rate someone else said the problem happens with 
Suginos, too (I never noticed it) so basically I don't know what I'm talking 
about. It's been that kind of week for me!

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Re: [RBW] Chain rubbing rear tire on Clem.

2020-02-26 Thread Mark Roland 
Huh. My Original Clementine complete came with Silver cranks. I thought the 
Clem was designed along with several components, including the Bosco bar 
and the Silver cranks? I may have that wrong. I guess you are saying in the 
early design stage it was built around using the Sugino crank? Still, with 
several iterations of Clem Smith Jr., you would think, if they saw it as an 
issue, they would have addressed it with a slightly longer bb spindle. I 
wonder if it's even more pronounced on the latest, longer chainstay models. 
I do seem to recall my Big Dummy may have experienced this on occasion. 
Certainly seems to be several easy fixes if it's a bother.

On Tuesday, February 25, 2020 at 12:37:45 PM UTC-5, Joe Bernard wrote:
>
> The conflict is the bike was originally spec'd with Sugino cranks, then 
> Riv switched to the very low Q Silver. The ones I've ridden were so "off" 
> to me that I kept missing the pedals because I expected them to be wider 
> apart. If I owned one now I would swap the stock BB (I think it's 110) for 
> a longer one. 

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Re: [RBW] Chain rubbing rear tire on Clem.

2020-02-25 Thread Eric Daume 
Seems like a poor BB spec on Riv’s part, since the Clem can fit up to a
2.5” or so tire.

On Tuesday, February 25, 2020, Jeremy Till  wrote:

> I'm not sure it's totally down to the crankset, as the demo bike my wife
> owned had Sugino XD2 cranks, but still had the tire clearance issues:
>
> https://flic.kr/p/V8eVgF
>
> It's worth mentioning that Riv's commitment to square taper cranks does
> allow a relatively simple solution to the problem, i.e swapping in a wider
> BB spindle. If the Clem were spec'ed with "modern" two-piece cranks we'd be
> SOL, since they don't allow for spindles to be swapped.
>
> -Jeremy Till
> Sacramento, CA
>
> On Tuesday, February 25, 2020 at 9:37:45 AM UTC-8, Joe Bernard wrote:
>>
>> The conflict is the bike was originally spec'd with Sugino cranks, then
>> Riv switched to the very low Q Silver. The ones I've ridden were so "off"
>> to me that I kept missing the pedals because I expected them to be wider
>> apart. If I owned one now I would swap the stock BB (I think it's 110) for
>> a longer one.
>
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> ab5add4f0335%40googlegroups.com
> 
> .
>

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Re: [RBW] Chain rubbing rear tire on Clem.

2020-02-25 Thread Jeremy Till 
I'm not sure it's totally down to the crankset, as the demo bike my wife 
owned had Sugino XD2 cranks, but still had the tire clearance issues: 

https://flic.kr/p/V8eVgF

It's worth mentioning that Riv's commitment to square taper cranks does 
allow a relatively simple solution to the problem, i.e swapping in a wider 
BB spindle. If the Clem were spec'ed with "modern" two-piece cranks we'd be 
SOL, since they don't allow for spindles to be swapped.  

-Jeremy Till
Sacramento, CA

On Tuesday, February 25, 2020 at 9:37:45 AM UTC-8, Joe Bernard wrote:
>
> The conflict is the bike was originally spec'd with Sugino cranks, then 
> Riv switched to the very low Q Silver. The ones I've ridden were so "off" 
> to me that I kept missing the pedals because I expected them to be wider 
> apart. If I owned one now I would swap the stock BB (I think it's 110) for 
> a longer one. 

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Re: [RBW] Chain rubbing rear tire on Clem.

2020-02-25 Thread Jim Whorton 
That's interesting, Joe--I did not know they had changed the crank on the 
Clem.  Awhile back I bought a Clipper crank from Riv, the one based on the 
Sugino XD2, for use on an old mountain bike and I like the looks of that 
crank a lot.

Jeffrey, I hear what you are saying about the level of chillness.  This is 
a recurring issue for me . . . riding bikes is about freedom, and setting 
up bikes is this fascinating puzzle that can become obsessive, which is 
kind of an opposite thing from freedom.  I like both sides of it, though.



On Tuesday, February 25, 2020 at 12:37:45 PM UTC-5, Joe Bernard wrote:
>
> The conflict is the bike was originally spec'd with Sugino cranks, then 
> Riv switched to the very low Q Silver. The ones I've ridden were so "off" 
> to me that I kept missing the pedals because I expected them to be wider 
> apart. If I owned one now I would swap the stock BB (I think it's 110) for 
> a longer one. 

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Re: [RBW] Chain rubbing rear tire on Clem.

2020-02-25 Thread Joe Bernard 
The conflict is the bike was originally spec'd with Sugino cranks, then Riv 
switched to the very low Q Silver. The ones I've ridden were so "off" to me 
that I kept missing the pedals because I expected them to be wider apart. If I 
owned one now I would swap the stock BB (I think it's 110) for a longer one. 

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Re: [RBW] Chain rubbing rear tire on Clem.

2020-02-25 Thread 'jeffrey kane' via RBW Owners Bunch 
I guess it depends on how you use your bike and how chill a human you are. 
Me, I tend to be less chill about things like that. It shouldn't happen on 
a bike that's supposedly spec'd for tires that big (or quite frankly, any 
properly designed bike). If it's just a matter of spacers not being 
installed on the cassette then that's an easy fix. I wouldn't be opposed to 
1mm to 1.5mm spacers on a BB shell either .. or flat out changing the BB 
spindle length. But otherwise no. I could not stand for chain rub on a tire 
...  even in a lightly used gear.


On Monday, February 24, 2020 at 12:54:20 PM UTC-5, Jim Whorton wrote:
>
> Thanks, all.  I'll leave it alone for now...never noticed it while riding, 
> only while looking at it on the stand.
>
> Jim
>
>
>
>
> On Monday, February 24, 2020 at 11:59:07 AM UTC-5, Eric Norris wrote:
>>
>> Jim:
>>
>> I wouldn’t worry about this. The chain isn’t going to wear down the tire, 
>> but the tire might deposit a little dirt on the chain.
>>
>> I have one or two bikes which have a very minor rubbing issue in one 
>> ring/cog combo that I use probably less than 1% of the time. I just live 
>> with it.
>>
>> --Eric N
>>
>> On Feb 24, 2020, at 6:40 AM, Jim Whorton  wrote:
>>
>> 
>> Hi--
>>
>> I have noticed on my Clem that the chain rubs the rear tire slightly when 
>> the bike is in lowest gear (small ring in front, big cog in back).  It's a 
>> 59cm Clem H, which I bought complete, so the bottom bracket, etc are as 
>> installed by Riv.  The tire is a 2" Kenda Kwick Nine and the cassette is a 
>> 9 speed.
>>
>> Anybody seen this before, or have advice on it?  I don't see any weird 
>> wear on the side of the tire--and of course I don't use that gear much, 
>> only briefly on a steep incline--so maybe Riv set it up this way 
>> deliberately, rather than going with a wider BB to avoid the rub in that 
>> gear.
>>
>> So maybe it's not a big deal.  On the other hand, I'd rather not have the 
>> chain rubbing the tire
>>
>> Jim
>>
>>
>>
>>
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>>  
>> 
>> .
>>
>>

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Re: [RBW] Chain rubbing rear tire on Clem.

2020-02-24 Thread Jim Whorton 
Thanks, all.  I'll leave it alone for now...never noticed it while riding, 
only while looking at it on the stand.

Jim




On Monday, February 24, 2020 at 11:59:07 AM UTC-5, Eric Norris wrote:
>
> Jim:
>
> I wouldn’t worry about this. The chain isn’t going to wear down the tire, 
> but the tire might deposit a little dirt on the chain.
>
> I have one or two bikes which have a very minor rubbing issue in one 
> ring/cog combo that I use probably less than 1% of the time. I just live 
> with it.
>
> --Eric N
>
> On Feb 24, 2020, at 6:40 AM, Jim Whorton  > wrote:
>
> 
> Hi--
>
> I have noticed on my Clem that the chain rubs the rear tire slightly when 
> the bike is in lowest gear (small ring in front, big cog in back).  It's a 
> 59cm Clem H, which I bought complete, so the bottom bracket, etc are as 
> installed by Riv.  The tire is a 2" Kenda Kwick Nine and the cassette is a 
> 9 speed.
>
> Anybody seen this before, or have advice on it?  I don't see any weird 
> wear on the side of the tire--and of course I don't use that gear much, 
> only briefly on a steep incline--so maybe Riv set it up this way 
> deliberately, rather than going with a wider BB to avoid the rub in that 
> gear.
>
> So maybe it's not a big deal.  On the other hand, I'd rather not have the 
> chain rubbing the tire
>
> Jim
>
>
>
>
> -- 
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>  
> 
> .
>
>

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Re: [RBW] Chain rubbing rear tire on Clem.

2020-02-24 Thread 'Eric Norris' via RBW Owners Bunch 
Jim:

I wouldn’t worry about this. The chain isn’t going to wear down the tire, but 
the tire might deposit a little dirt on the chain.

I have one or two bikes which have a very minor rubbing issue in one ring/cog 
combo that I use probably less than 1% of the time. I just live with it.

--Eric N

> On Feb 24, 2020, at 6:40 AM, Jim Whorton  wrote:
> 
> 
> Hi--
> 
> I have noticed on my Clem that the chain rubs the rear tire slightly when the 
> bike is in lowest gear (small ring in front, big cog in back).  It's a 59cm 
> Clem H, which I bought complete, so the bottom bracket, etc are as installed 
> by Riv.  The tire is a 2" Kenda Kwick Nine and the cassette is a 9 speed.
> 
> Anybody seen this before, or have advice on it?  I don't see any weird wear 
> on the side of the tire--and of course I don't use that gear much, only 
> briefly on a steep incline--so maybe Riv set it up this way deliberately, 
> rather than going with a wider BB to avoid the rub in that gear.
> 
> So maybe it's not a big deal.  On the other hand, I'd rather not have the 
> chain rubbing the tire
> 
> Jim
> 
> 
> 
> 
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