Park Tool BBT-47-12 Bottom Bracket Tool 12-Notch

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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, including Chris King® ThreadFit™ T47 & Threa dFit™ 30 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive. The BBT-47-12 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage. Fits 12-notch bottom bracket tool fittings with a major diameter of 50–53 mm and a minor diameter of 48.2 mm, including: BBInfinite T47 Chris King® ThreadFit™ T47 Chris King® ThreadFit™ 30 Enduro® BBRight Torqtite Hambini T47 Rotor® T47 External 30mm Rotor® BBright, BB30, BB386EVO, and PF30 thread-together NOTE: Do not use Park Tool aluminum bottom bracket tools with impact drivers. Show more