Shimano BB-MT501 68/73mm Threaded Bottom Bracket (MTB)

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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 ITEM NUMBER: BB-MT501 Show more