The Park Tool BBT-79 Bottom Bracket Tool is a precision CNC machined aluminum tool designed to remove and install 12-notch external bearing bottom brackets. The BBT-79 features a ratchet wrench that is compatible with a 3/8" drive and its anodized for easy identification.
- 12-notch, 46mm OD cup.
- Race Face® Cinch®.
- Hawk Racing® BB3086®.
- Rotor® BSA30.
- Zipp® Vuma®.
Please note: This version is not compatible with the Park Tool BBT-RS system. For that, please see the BBT-79.3.
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
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Works great, not sure why manufacturers keep changing standards. I now have four different bottom bracket tools.
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Q & A with home mechanic Tommy Tuite.