Precision CNC-machined aluminum bottom bracket tool from Park Tool, engineered for installing and removing select threaded bottom brackets.
The 16-notch design fits Shimano® XTR® BB93, Dura-Ace® BB9000, and Token® brackets with reliable engagement. Features a ratchet and torque wrench-compatible 3/8" drive for seamless integration with your workshop tools. Anodized finish provides durability and easy identification in your toolkit. Integrated threads allow full compatibility with the Park Tool BBT-RS Bottom Bracket Tool Retaining System (sold separately), which uses an adjustable spring-based tension mechanism to maintain consistent pressure and prevent tool slippage during operation. Manufactured in-house by Park Tool to exacting standards.
Features
Fits 16-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 39-40 mm and a minor diameter (inside of notches) of 37.6 mm, including:
- Shimano® XTR® BB93
- Shimano® Dura-Ace® BB9000
- Shimano® Dura-Ace® BB-R9100
- Token®
Also fits chainring lockrings on Shimano® STEPS square spindle e-bike systems including:
Replacement for Shimano TL-FC38 tool.
Not designed for use with impact drivers or other power tools.
Material
Contents
- 1 x Park Tool BBT-49.3 Bottom Bracket Tool
