Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 48–50 mm and a minor diameter (inside of notches) of 46.3 mm, including Praxis Works® M30
3/8" drive fitting
BBT-47-12 FEATURES
Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 50–53 mm and a minor diameter (inside of notches) of 48.2 mm, including:
BBInfinite® T47
Chris King® ThreadFit™ T47
Chris King® ThreadFit™ 30
Hambini T47
Rotor® T47 External 30 mm
Rotor® BBright®, BB30, BB386EVO, and PF30 thread-together
BBT-79.3 FEATURES
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: