Bottom bracket tool - 12-notch

A CNC machined aluminum precision tool for the installation and removal of select threaded bottom brackets with 12-notch tool fittings, including SRAM® BSA DUB®, Race Face® Cinch®, Rotor® BSA30, and more. Manufactured in-house by Park Tool, anodized for easy identification, and featuring a 3/8" drive for use with a ratchet/torque wrench.

The BBT-79.3 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.

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FEATURES

Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 45–47mm and a minor diameter (inside of notches) of 44mm, including:

• SRAM® BSA DUB
  Race Face® Cinch
  Rotor® BSA30
  Zipp® Vuma™
  Hawk Racing™ BB3086™
  and more
  Not designed for use with impact drivers or other power tools.