





Park Tool BBT-79.3 Bottom Bracket Tool
A precision CNC-machined aluminum 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" drive.
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.
- 3/8" drive fitting
- 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™
Buy Park Tool Bottom Bracket & Crank Tools from New Era Cycle online bike store. The best bike accessories, parts and components shop.
Pickup available at New Era Cycle Main Outlet
Usually ready in 24 hours

Park Tool BBT-79.3 Bottom Bracket Tool
New Era Cycle Main Outlet
10 Arumugam Road
LTC Building A, #01-02
Singapore 409957
Singapore
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