Park Tool Bottom Bracket Tool – 12 Notch (BBT-79.3)

Introduction

About Park Tool Bottom Bracket Tool – 12 Notch (BBT-79.3)
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.

Features
Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 4547 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.

About Park Tool
Park Tool are the world’s largest bicycle tool manufacturer. Located in St. Paul Minnesota they have been designing and manufacturing bicycle specific tools since 1963. Their dedication to quality and innovation have gained them the reputation for producing the best bicycle tools in the world.