Park Tool BBT-79 External BB-Cup Tool
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12-Notch external bearing bottom bracket tool.
- Heavy duty shop quality 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