Park Tool BBT-69.4 Bottom Bracket and Lockring Tool

• A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano®, SRAM® GXP, Chris King®, Campagnolo®, and many others
• The BBT-69.3 can also be used to remove and install 16-notch disc brake rotor 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)
• 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 cups
• Threaded bottom bracket cups from Campagnolo®, Chris King®, FSA® MegaExo®, Hope™, SRAM®/Truvativ® GXP®, Race Face® X-type, Surly®, Wheels®, Fulcrum®, and others
• 16-notch Bafang® BBSH, BBS02 mid-drive motor lockrings

Warning: California Proposition 65 

https://planet-cyclery.myshopify.com/pages/warning-california-proposition-65