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 bottom bracket cups. The other end of the tool engages the 8 internal splines of the crank arm adjustment cap on Shimano® Hollowtech II® systems.

The BBT-9 fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm.

Specifications:

• 16-notch 44mm OD cups
• Compatibility:
  • Shimano® BB80, BB5700, XT® BB70, BB51, and previous external bearing threaded cups
  • External threaded types for Campagnolo®, Chris King®, FSA® MegaExo®, SRAM®/Truvativ® GXP®, Race Face® X-type, Surly®, Wheels®, Fulcrum®, Hope™ (non-BSA30) and others
  • 16-notch rotor disc lockrings
  • 16-notch Bafang® BBSH, BBS02 Mid Drive motor lockrings

Photo Credit: Park Tool