A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano® XTR® BB93, Dura-Ace® BB9000, and Token® bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive.
The BBT-49.3 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.
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:
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.
If you have any questions or we don't have what you're looking for, please don’t hesitate to reach out to us and we'll get back to you within 24 hours.
Coast to Coast to Coast
on orders over $150*
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