Park Tool BBT-79.3 12-Notch Bottom Bracket Tool

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A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 12-notch tool fittings. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. FEATURES FEATURES: 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 DUB®, Race Face® Cinch®, Rotor® BSA30, Zipp® Vuma™, Hawk Racing™ BB3086™, and more. 3/8" drive fitting Show more