Park Tool BBT-79.3 Bottom Bracket Tool — 12-Notch

Park Tool BBT-79.3 Bottom Bracket Tool — 12-Notch

The BBT-79.3 is a precision CNC-machined aluminium tool for installing and removing selected threaded bottom brackets with 12-tooth tool pawls, including SRAM® BSA DUB®, Race Face® Cinch®, Rotor® BSA30 and others. Made in-house by Park Tool, anodised for easy identification and fitted with a 3/8" square drive compatible with a ratchet or torque wrench.

The BBT-79.3 contains 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 tension system that applies consistent, adjustable pressure to the tool, ensuring full engagement of the tool in the pawls and preventing slipping.

BBT-79.3 features

Fits 12-tooth threaded bottom bracket tools with a major diameter (outer diameter of the teeth) of 45–47 mm and a minor diameter (inner diameter of the teeth) of 44 mm, including:

• SRAM® BSA DUB®
• Race Face® Cinch®
• Rotor® BSA30
• Zipp® Vuma™
• Hawk Racing™ BB3086™
• and others

Not designed for use with impact wrenches or other power tools.