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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™
- and more
- 3/8" drive fitting
- Integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately)
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Review Park Tool BBT-79.3Bottom Bracket Tool External type
