Park Tool BBT-59.3 16-notch 41mm Bottom Bracket Tool

Precision CNC machined aluminum tool for the installation and removal of 16-notch external bearing bottom brackets. Featuring updated tooth profiles to optimize the fit between the tool and high performance BB parts. Anodized and laser engraved for easy identification and featuring a ratchet/torque wrench compatible 3/8" drive.

- 16 notch 41mm OD cups
- Fits Shimano® BBR60 (Ultegra® 11-speed 6800 series), Shimano® MT-800

About Park Tools
Park’s pledge for the future is simple: Build the best tools. Their commitment to that principle is stronger than ever. They build bicycle tools and maintenance equipment, it's all they do and they’re good at it. Supplying quality bike tools since 1963.