F
FJS
Guest
I'm rebuilding a 1997 Cannondale (I believe it's a 2.8 frame). The 600
series left crank arm threads are stripped so I'm replacing the bottom
bracket and crank set w/ an ultegra set.
The old BB unit is a shimano BB-UN71, 68 x113 (only find 113 on bb,
measured bike to get 68).
The ultegra BB are 68x109.5 or 68x118. Which do I use?
Also, can a Dura-Ace BB be used w/ Ultegra cranksets?
Thanks
FS
series left crank arm threads are stripped so I'm replacing the bottom
bracket and crank set w/ an ultegra set.
The old BB unit is a shimano BB-UN71, 68 x113 (only find 113 on bb,
measured bike to get 68).
The ultegra BB are 68x109.5 or 68x118. Which do I use?
Also, can a Dura-Ace BB be used w/ Ultegra cranksets?
Thanks
FS