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Park Tool BBT-9 Bottom Bracket and Hollowtech 2 Tool - 16 Notch 44mm
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.
Features:
Features:
- 16-notch 44mm OD cups
- Fits:
- 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
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Product Information
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Shipping & Returns

Park Tool BBT-9 Bottom Bracket and Hollowtech 2 Tool - 16 Notch 44mm
Park Tool BBT-9 Bottom Bracket and Hollowtech 2 Tool - 16 Notch 44mm
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.
Features:
Features:
- 16-notch 44mm OD cups
- Fits:
- 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
$16.66
Original: $47.61
-65%Park Tool BBT-9 Bottom Bracket and Hollowtech 2 Tool - 16 Notch 44mm—
$47.61
$16.66Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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.
Features:
Features:
- 16-notch 44mm OD cups
- Fits:
- 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











