Park Tool BBT-59.3 Bottom Bracket Tool
Product details
| Management number | 236302055 | Release Date | 2026/07/09 | List Price | $11.98 | Model Number | 236302055 | ||
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Park Tool BBT-59.3 Bottom Bracket Tool
A precision CNC-machined aluminum tool for the installation and removal of select threaded bottom brackets with 16-notch tool fittings, including Shimano® Ultegra® BBR60 and Deore XT® MT-800 bottom brackets. Manufactured in-house by Park Tool, anodized for easy identification and featuring a ratchet/torque wrench-compatible 3/8" drive.
The BBT-59.3 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 41–42 mm and a minor diameter (inside of notches) of 39 mm, including:
- Shimano® Ultegra® BBR60
- Shimano® Deore XT® MT-800
- 3/8" drive fitting
Warning: California Proposition 65
https://planet-cyclery.myshopify.com/pages/warning-california-proposition-65
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