A precision CNC machined aluminum tool for installing and removing select components with 16-notch tool fittings, including bottom brackets, center-lock disc brakes and e-bike motor lock nuts . Manufactured in-house by Park Tool, anodized for easy identification and features a 3/8" ratchet/torque wrench compatible drive. The BBT-69.4 features integrated threads for full compatibility with the BBT-RS bottom bracket tool Park Tool Clamping System (sold separately) The BBT-RS uses an adjustable spring tension system to apply constant, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage. >
Fits 16-notch tool fittings with a major diameter (outside of the notches) of 44–45mm and a minor diameter (inside of the notches) of 42.7mm

Compatibility:
Shimano® BB80, BB5700, XT® BB70, BB51 and previous threaded bottom bracket cups with external bearing
Threaded bottom bracket cups from Campagnolo®, Chris King®, FSA® MegaExo®, Hope™, SRAM®/ Truvativ® GXP®, Race Face® /p>