Park Tool, BBT-79.3, Bottom Bracket Tool, External type

Description

* 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)