BBT-79:~ The BBT-79 is a precision machined aluminum tool for the installation and removal of 12-notch external bearing bottom bracket cups with an outside diameter of 46mm, such Race Face Cinch, Zipp Vuma, Rotor BSA30, Hawk Racing BB3086, and others. 3/8" ratchet/torque wrench drive compatible. Silver anodized.
• Removes and installs 46mm 12-notch external bearing bottom bracket cups
• Precision CNC machined aluminum
• Anodized for easy identification
• Ratchet / torque wrench compatible 3/8Ó drive