Park Tool BBT-79 Bottom Bracket Tool

12-Notch external bearing bottom bracket tool.

• Precision machined aluminum tool for the installation and removal of 12-notch external bearing bottom bracket cups with an outside diameter of 46mm
• 3/8" ratchet/torque wrench drive compatible
• Compatible with SRAM DUB, RaceFace Cinch, Zipp Vuma, Rotor BSA30, Hawk Racing BB3086, and others