Removes 41, 42 & 46mm ID Press Fit DUB Bottom BracketsNo need for excessive force - gentle pressure from the combination of the driver and split steel-hitch with a few turns of an allen key is all thatâs requiredDedicated wrench for BSA 28.99mm ID bottom bracket removal and installationEverything you need contained in the compact storage and carrying caseBB KitBlackDUB Bottom Brackets