This bottom bracket tools is used to install and remove 12-notch external baring bottom bracket. You can use it with a 3/8" ratchet.
- 12 notch 46mm OD cup
- Fits SRAM® DUB™, Race Face® Cinch™, Rotor® BSA30, Zipp® Vuma™, Hawk Racing™ BB3086™, and more
- The 12 splines on the BBT-79 tool are evenly spaced to fit every other notch on the 24 notch SRAM® DUB™ cups.