Compatibe with all Mountain Shimano Hollowtech-II cranksets, the SM-BB71 A is a press fit bottom bracket to suit frames compatible with this style of fitment.
This new new design allows for a wider; and therefore stronger bottom bracket shell, while maintaining a low Q-Factor.
- Larger bearing size offering greater strength and durability
- Compatible with 89-92 x 41mm press-fit BB shells
- Compatible with all Shimano Mountain Hollowtech-II cranksets with 24mm spindle
- Model number: SM-BB71-41A
- Series: Mountain
- Compatible with: Press-Fit BB's and Hollowtech-II cranks
- Size: 86 x 41mm
- Weight: 75 grams (on our scales)