Park Tool BBT-9 Bottom Bracket Tool


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The BBT-9 Bottom Bracket tool from Park is used to remove and install Shimano Hollowtech II, Campagnolo Ulta-Torque and many other external bearing crankset bottom brackets.


  • One end of the tool securely engages the 16 notches of the bottom bracket cups
  • The other end of the tool engages the 8 internal splines of the crankarm adjustment cap
  • Also fits rotor disc lock rings with 16 external notches

Made in USA.

View all Park Tool Bike Drivetrain Tools

Technical Specs

Best Use



280 grams

5 reviews with an average rating of 4.6 out of 5 stars

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