Item # BBT-79.3
/ Tools / Crank & Bottom BracketBottom Bracket Tool — 12-Notch
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.
BBT-79.3 Features
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
Not designed for use with impact drivers or other power tools.
Product Fitment
Below is a filterable table of bottom bracket models the BBT-79.3 is compatible with. For a full list of tool compatibility, see our Bottom Bracket Tool Finder.
| C-Bear® | Threaded | BSA/ITA 30mm and DUB® |
| Cane Creek® | Threaded & Thread-Together | All Models Except T47 Internal |
| CeramicSpeed® | Thread-Together | BB30 DUB® |
| CeramicSpeed® | Threaded | BSA Threaded DUB® and 30mm |
| CeramicSpeed® | Threaded | Italian Threaded DUB® and 30mm |
| CeramicSpeed® | Threaded | T47/68 DUB® and 30mm |
| Easton® | Threaded | Cinch® |
| Enduro® | Threaded | BSA and Italian Threaded 30mm and DUB® |
| Hawk Racing™ | Threaded | BSA DUB® |
| Hawk Racing™ | Threaded | BSA30 |
| Kogel™ | Threaded | BSA DUB® |
| Kogel™ | Threaded | BSA30 |
| Kogel™ | Threaded | T47 Outboard DUB® and 30mm |
| Race Face® | Threaded | BSA 30mm |
| Rotor® | Threaded | BSA30 |
| Rotor® | Threaded | T47 External 30mm |
| Rotor® | Thread-Together | UBB 4630 BBright™ |
| SRAM® | Threaded | BSA and Italian Threaded DUB® |
| Token® | Thread-Together | BB29BSA |
| Token® | Thread-Together | BB42A29 |
| Token® | Thread-Together | BB46A29 |
| Token® | Thread-Together | BB4229 |
| Token® | Thread-Together | BB4629 |
| White Industries™ | Threaded | BBE29BSA |
| White Industries™ | Thread-Together | BBE29PF30 |
| White Industries™ | Threaded | BBE29T47 |
| White Industries™ | Threaded | BBE30BSA |
| White Industries™ | Thread-Together | BBE30PF30 |
| White Industries™ | Threaded | BBE30T47 |
| Zipp® | Threaded | VumaQuad™ |
