Precision machined aluminum tool for the installation and removal of 12-notch external bearing bottom bracket cups with an outside diameter of 46mm, such as Race Face Cinch, Zipp Vuma, Rotor BSA30, Hawk Racing BB3086, and others
3/8" ratchet/torque wrench drive compatible
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asked by: bradseymour1 Is this the right tool for a Chris King Threadfit 30 BB?
anwered by: canteau Chris King only recommends using their tool when installing the Threadfit 30 bottom bracket because the cup is 47mm vs the industry standard 46mm size used by companies like Race Face or Rotor.