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Replacing the SM-BB52, this new BB-MT501 bottom bracket provides better sealing and rotation to delivery high driving efficiency.
English (BSA) threaded bottom bracket
Fits 68 and 73mm frame bottom bracket shells
Shimano Hollowtech II spindle interface
For use with MTB, 24mm spindles
Aluminum threaded cups
Black
English (BSA) threaded bottom bracket
Fits 68 and 73mm frame bottom bracket shells
Shimano Hollowtech II spindle interface
For use with MTB, 24mm spindles
Aluminum threaded cups
Black