Originally Posted by
polymorphself
I've got it pulled and its 121.5. Looking at VO bottom brackets, not sure whether 124 or 127 will do the trick.
I just looked at the velo orange bottom brackets. Since the 121.5 worked, you could go with the 122 and purchase a 1 mm and 2 mm bottom bracket spacer for the drive side to account for any asymmetry in the original spindle. That is, unless you are looking for more ring/pedal clearance, then the 124 would be the way to go.