Park Tool BBT-79.3 Bottom Bracket Tool - 12 Notch - 46mm

A precision CNC-machined aluminium 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 others. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet / torque wrench-compatible 3/8 inch drive.

The BBT-79.3 features integrated threads for full compatbility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold seperately). 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 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
- 3/8 inch drive fitting

NOTE: Do not use Park Tool aluminium bottom bracket tools with impact drivers.