Fitting a bb for a given crank is to me, like doing plumbing in your house.
It's ever a custom job as no two spaces are ever the same. Likewise, same
with frames, not only varying from brand to brand and model to model, but
even a given model. Just because a given object is marked with branding(
John, to suggest an answer to your question --- What I have done in the
past is to initially mount the crankset up with what ever BB I happen to
have at hand, then check the chainline and add or subtract the distance it
is off from my desired CL. Assuming a symmetrical BB spindle, the needed
The real fun with square taper cranksets is that depending on its previous
usage/owners they can not give you advertised chainline no matter how good
your research is.
Some people really like to bottom out that taper!
--
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Sheldon Brown created this article that includes many cranksets from
1990-2005. Yours is in there.
https://www.sheldonbrown.com/bbsize.html
On Friday, January 31, 2025 at 6:13:11 PM UTC-6 John Rinker wrote:
> Hey John,
>
> Yes, my current setup- XT M737 and 113BB- is just fine, and I have no
>
Hey John,
Yes, my current setup- XT M737 and 113BB- is just fine, and I have no
reason to change it. I was just curious about the process for arriving at
the proper BB length.
Cheers, John
On Friday, January 31, 2025 at 7:09:15 AM UTC-8 isp...@gmail.com wrote:
> John,
>
> If you’re already ru
John,
If you’re already running the crank, it shifts to your satisfaction, and
your stance (q-factor) is comfortable, then it’s not something you need to
solve. But should you migrate the kit from your old frame to a new one that
comes with a BB pre-installed, then you might want to anticipate
John, I have had the 737 crankset on many bikes and always used a Shimano
UNxx 103 with no rubbing. I am sure there are exceptions.
Steven Sweedler
Plymouth, New Hampshire
On Fri, Jan 31, 2025 at 4:05 AM John Rinker wrote:
> After reading through these comments I realize that I lack the
> unde
sugino XD2 triple fit sooo snug. One more mm and drive side would rub
the bb cup.
On Monday, January 27, 2025 at 9:09:32 AM UTC-8 Bill Lindsay wrote:
> Let's list all the cranks for which 113mm is the perfect length. I'll
> start:
>
> White Industries VBC 2x
>
> Bill Lindsay
> El Cerrito, C
After reading through these comments I realize that I lack the
understanding of how one would calculate the proper BB length for a
particular crank- say, an XT M737 triple on my Hunqapillar? I've got a 113
on there now, but only because that's what came with the bike when it had
the Sugino XD t
Let's list all the cranks for which 113mm is the perfect length. I'll
start:
White Industries VBC 2x
Bill Lindsay
El Cerrito, CA
On Monday, January 27, 2025 at 8:07:45 AM UTC-8 isp...@gmail.com wrote:
> Well... the SpaCycles UC Double is based on a triple chainline, and their
> website says
Well... the SpaCycles UC Double is based on a triple chainline, and their
website says you should be using a 119mm BB spindle. That's all fine, but
it's not a typical use case.
I'm just pointing out to the community that for the majority, who are using
a double crank intended for a double chai
Hi J-D,
Crank is the Spacycles TD-2 Super Compact Double.
FD is Microshift Sword 2x.
> On 27 Jan 2025, at 4:27 pm, J-D Bamford wrote:
>
> Dan - what crank and front D are you using?
>
> On Friday, January 24, 2025 at 6:49:46 PM UTC-7 Dan wrote:
>> I think this is a good change. I literally ha
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