Park Tool BBT-9 Bottom Bracket Wrench

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This is the Park Tool BBT-9 Bottom Bracket Wrench. The BBT-9 is used to remove and install external bearing crankset bottom brackets. One end of the BBT-9 securely engages the 16 notches of the bottom bracket cups. The other end of the tool engages the 8 internal splines of the crank arm adjustment cap. The BBT-9 fits cups and rotor disk lockrings with 16 external notches and an outside diameter of approximately 44mm.

The BBT-9 works with many external bearing crankset bottom brackets, including:
  • Shimano® Hollowtech II
  • Campagnolo® Ulta-Torque and Power Torque
  • Race Face®
  • FSA®
  • SRAM®
  • Truvativ®
  • Chris King®
  • Phil Wood® outboard bearing
  • Hawk-Racing

This product was added to our catalog on July 25, 2014

William Irvin
Verified Owner
Wednesday, Sep 28 2022 (about a year ago)
Park Tool BBT-9 Bottom Bracket Wrench
Made replacing the outboard bottom bracket simple. Good quality.