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Wolf Tooth Bottom Bracket Tool - BBS4912 12 Notch 49mm. Wolf Tooth bottom bracket sockets are tools for installation and removal of external cup bottom brackets. They are machined here in Minnesota with 7075-T6 aluminum.Large finger notches so you can start threading the cups by hand
3/8" square socket or 1" hex for ratchet/torque wrench
Most sockets have either a Shimano bearing preload tool or a 16mm hex for use with Race Face Cinch cranksets
Steel inserts for magnetic coupling compatibility with the Pack Wrench