This fits your .
- Make sure this fits by entering your model number.
- New improved sealing ensures 50-Percentage less drag
- Available for conventional and Press-Fit applications
Outside positioned bearings for better weight distribution and more stability. Bottom bracket has smaller, bearings than current model for lightweight.
Shimano Dura-Ace 9000 Bottom Bracket SM-BB9000 Black B007YH7TT2