More info: 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 & ThreadFit™ 30 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8“ drive. 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 ➤ Fix It: Did you know that Park Tool is the #1 resource for bicycle repair education? • Visit our YouTube Channel: • Visit the Repair Help section of : • Check out The Big Blue Book of Bicycle Repair:
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