BBT, Bottom bracket and pedal tool,

A precision CNC-machined aluminum tool for the installation and removal of select components with 16-notch tool fittings, including bottom brackets, center lock disc brakes, and e-bike motor lockrings. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8″ drive. The BBT-69.4 features integrated threads for full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately). The BBT-RS uses an adjustable spring-based tension system to apply consistent, adjustable pressure to the tool, ensuring full engagement with the tool fitting and preventing slippage. Free shipping on orders over $75* Buy BBT-69.4 Online Features Parts & Accessories BBT-69.4 Features Fits 16-notch tool fittings with a major diameter (outside of notches) of 44–45 mm and a minor diameter (inside of notches) of 42.7 mm, including: Shimano® BB80, BB5700, XT® BB70, BB51, and previous external bearing threaded bottom bracket cups Threaded bottom bracket cups from Campagnolo®, Chris King®, FSA® MegaExo®, Hope™, SRAM®/Truvativ® GXP®, Race Face® X-type, Surly®, Wheels®, Fulcrum®, and others Center lock disc brake rotor lockrings Bafang BBSH, BBS02 mid-drive motor lockrings 3/8″ drive fitting NOTE: Do not use Park Tool aluminum bottom bracket tools with impact drivers. Parts & Accessories BBT-RS Bottom Bracket Tool Retaining System