Park Tool BBT-9 Bottom Bracket Wrench

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Average Rating: 5 out of 5
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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
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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

William Irvin
Verified Owner
Wednesday, Sep 28 2022 (about 3 years ago)
Park Tool BBT-9 Bottom Bracket Wrench
Made replacing the outboard bottom bracket simple. Good quality.