Park Tool BBT-79.3 Bottom Bracket Tool
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A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 12-notch tool fittings including SRAM BSA DUB Race Face Cinch Rotor BSA30 and others. Manufactured in-house by Park Tool anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive.The BBT-79.3 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.Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 45-47 mm and a minor diameter (inside of notches) of 44 mm including: SRAM BSA DUB Race Face Cinch Rotor BSA30 Zipp Vuma Hawk Racing BB3086 and more 3/8" drive fitting
| Model | Bottom Bracket Tool |
| BBT | 79.3 |
| Description | Bottom Bracket Socket |
| Color | Silver |
Shipping Policy
Components:
All component items (wheels, drivetrains, suspension, brakes, etc.) ship within 1–4 business days of purchase.
Bicycles:
Complete bikes typically ship within 2–3 weeks due to build, tuning, and inspection times. You will receive tracking information as soon as your order is ready to ship.
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Returns & Exchanges:
If you received the wrong size or wish to exchange an item, it must be returned in original condition—unused, uninstalled, and with all packaging intact.
For full details, please see our Refund Policy before initiating a return.