BBT-9 Bottom Bracket Wrench

Park Tool

BBT-9 Bottom Bracket Wrench



Many in stock


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 lockrings with 16 external notches and an outside diameter of approximately 44mm.


  • Shimano® Hollowtech II®
  • Campagnolo® Ultra-Torque™ and Power Torque™
  • Race Face®
  • FSA®
  • SRAM®
  • Truvativ®
  • Chris King® Threadfit 24
  • Phil Wood® outboard bearing
  • Hawk Racing
  • Token®
  • Hope 24mm

The BBT-9 also fits rotor disc lockrings which use 16 external notches.