Shimano BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black Backcountry Some lumbar packs have a

Some lumbar packs have a tendency to creep around while you ride

Polymer bushings provide a completely natural cuff rotation for effortless movements on the way up

ACCESSOIRES: Removable visor

Slip resistant

Shimano BB-MT501 English Bottom Bracket - English, 68/73mm, Fits Hollowtech II Spindle, Black Backcountry Some lumbar packs have aShimano BB MT501 English Bottom Bracket English, 68 73mm, Fits Hollowtech II Spindle, Black The 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