Park Tool BBT-79.3
The Park Tool BBT-79.3 is a 12-notch external bottom bracket socket for 45–47 mm SRAM BSA DUB, Race Face Cinch, Rotor, and Zipp cups. It comes with a 3/8-inch drive fitting and integrated threads for the Park Tool BBT-RS retaining system.
- 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™
Pairs well with
Park Tool BBT-79.3
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