Description

Park Tool BBT-9 Bottom Bracket Tool
Achieve professional-level drivetrain maintenance with the Park Tool BBT-9 Bottom Bracket Tool, an essential instrument for any serious cyclist or workshop. Engineered for precision and reliability, this tool is your primary solution for working on the most common style of modern bottom brackets. Whether you´re performing a complete overhaul, upgrading your crankset, or simply servicing your bike´s core, the BBT-9 provides the secure engagement and leverage needed to get the job done correctly and efficiently, minimizing the risk of damage to your frame or components.
The BBT-9 is expertly designed for the removal and installation of external bearing crankset bottom brackets. Its dual-functionality makes it a highly versatile and valuable addition to your toolkit. One end of the BBT-9 provides a secure and precise engagement with the 16 notches found on a wide array of bottom bracket cups. This ensures full contact for smooth and confident operation. The other end of the tool is specifically engineered to engage the 8 internal splines of the crank arm adjustment cap, a standard feature on Shimano® Hollowtech II® systems, allowing for proper crank preload adjustment. The BBT-9 fits cups and lockrings with 16 external notches and an outside diameter of approximately 44mm, covering a vast majority of the bikes on the road and trail today.
The true power of the BBT-9 lies in its exceptional versatility. It is the go-to solution for a vast range of external threaded bottom bracket types from the industry´s leading manufacturers. Beyond just the bottom bracket, its utility extends to other critical components. This multi-purpose tool is also fully compatible with many 16-notch center lock rotor disc lockrings and even the lockrings for popular Bafang® mid-drive e-bike motors, making it indispensable for comprehensive modern bicycle service. Designed for a perfect fit, the BBT-9 ensures maximum engagement on the cup or lockring, delivering the shop-quality performance and reliability that technicians and home mechanics have come to expect from Park Tool.
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Features:
The BBT-9 is compatible with a wide range of 16-notch external bearing bottom bracket cups and other components.
Fits:
* Shimano® BB80, BB5700, XT® BB70, BB51, and previous external bearing threaded cups
* External threaded types for Campagnolo®, Chris King®, FSA® MegaExo®, SRAM®/Truvativ® GXP®, Race Face® X-Type, Surly®, Wheels®, Fulcrum®, Hope™ (non-BSA30) and others
* 16-notch rotor disc lockrings
* 16-notch Bafang® BBSH, BBS02 mid drive motor lockrings
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Technical Specifications:
* Bottom Bracket Interface: 16-Notch 44mm OD Cups
* Crank Cap Interface: 8-Spline Shimano® Hollowtech II® style adjustment cap