BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black cable kit the exact braking point and

the exact braking point and the spot-on steering movement

Reflective elements and a rear light bracket provide greater visibility even when out riding at dusk

Works best if used within two hours

and sit bone pressure is significantly reduced – allowing you to be fully in sync with your bike

4 works on nearly any bike including multi-speed

BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black cable kit the exact braking point andThe Shimano BB MT501 bottom bracket for Hollowtech II provides better sealing and rotation to delivery high driving efficiency. English (BSA) threaded bottom bracket Fits 68 and 73mm frame bottom bracket shells For use with MTB Aluminum threaded cups