More info: https://www.parktool.com/product/bott...
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.
• 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®, Hope™,
SRAM®/Truvativ® GXP®, Race Face® X-type, Surly®, Wheels®, Fulcrum®, and others
• 16-notch rotor disc lockrings
• 16-notch Bafang® BBSH, BBS02 Mid Drive motor lockrings
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Park Tool has been manufacturing bicycle specific tools since 1963. Based out of St. Paul Minnesota, we are the world's largest bicycle tool manufacturer. A long-term dedication to quality, innovation, and customer service has made Park Tool the first choice of professional and home bicycle mechanics around the world.
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