Originally Posted by
demoncyclist
You cant put an ISO crank like that Campy on a JIS BB like the shimano. The two use differently angled tapers on the BB spindle, so the interface will not be as solid as it should be.
No, both ISO and JIS use the same 2 degree taper, but JIS spindles have a shorter tapered section and don't get quite as narrow as an ISO spindle:
http://sheldonbrown.com/bbtaper.html