Park Tool Park Tool BBT-179 Bottom Bracket Tools bike/components/brakes & brake parts

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Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 45–47 mm and a minor diameter (inside of notches) of 44 mm, including: SRAM BSA DU B Race Face Cinch Rotor BSA30, Zipp Vuma, Hawk Racing BB3086 and more 50.04 mm (1.97'') outer diameter at point of engagement Internal clearance: 42 mm (1.654'') depth (from tool face) x 30.44 mm (1.198'') diameter Attributes Bottom Bracket Type 44mm/16 notch Show more