XTR Bottom Bracket Shell I.D.:41 approximate weight 985g

approximate weight 985g

efficient and designed to eliminate as much weight as possible

The Powershift hub provides unrivalled shift quality with a high gearing range and small steps in between

the platform has been re-designed with a clever dual concave profile as well as a new asymmetric shape that extends further to give better shoe support and a superior planted feel

XTR Bottom Bracket Shell I.D.:41 approximate weight 985gShimano XTR BB91, BB93, BB94 Hollowtech II Bottom Brackets Reduced size for light weight New seal construction for smoother rotation Requires TL FC34 or included TL FC24 adaptor for installation & removal