What length BB?

development_cycle · Nov 9, 2007

Guys I have bought a '95 S-Works FSR, and want to put either M900 cranks or White Industries on it. Does anyone know what length of BB I will need, or at least a guide to shortest/longest I could use?

Cheers
Tim

kona kid · Nov 9, 2007

looks at this for the axle length sheldon knows everything!
and then the shell wide can be measured from your frame

107-113 for 900 XTR, but no help for the WI

development_cycle · Nov 9, 2007

Thanks Kona Kid.

Does anyone else have any info please?

Thanks

tinkerer · Nov 9, 2007

To continue the XTR m900 theme, I am running my crank of this model on a XTR BB which has a 110mm axle. This is gives about 3mm of clearance between the inside ends of the cranks and the swingarm of a 1997 Proflex Animal and I imagine will do pretty well on most full sussers. At a squeeze you could get away with a 107mm axle but its better to have more clearance in case the swingarm deviates slightly.

Cheers,

Adam

development_cycle · Nov 9, 2007

good point there about the swingarm, will def take that into account.

Cheers
Tim

development_cycle · Nov 10, 2007

I may have the chance to get hold of a 122mm. Does that sound ok or too long???

Any advice appreciated.

Tim

What length BB?

development_cycle

kona kid

Retro Guru

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tinkerer

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