Mavic 637 cranks BB length??

[ratcapa]

Does anyone know what spindle length BB is required for said cranks.

Let's assume it's a steel frame with 68mm BB shell, 28.6 fr mech and135mmspaced rear wheel if that matters.

Any advice welcome thanks

 

[hamster]

I would be looking at a 122mm, possibly even 127.

 

[ratcapa]

I have 122 just wondering as most of the mavic bb's seem to be 134 which is massive. Anyone have one fitted?

 

[hamster]

Should be easy to fit dry onto the bb and then measure the chainline....you don't need a frame, just measure from the centre of the BB.