Features & Benefits
- Heavy-duty, investment cast tool for bottom bracket cups.
- Compatible with Shimano Octalink, ISIS Drive, Bosch, and Brose systems.
- Features 36mm wrench flats and 8 notches for secure fitting.
- Designed for high-quality performance by Park Tool, a trusted name since 1963.
- Nominal outside diameter of 43.4mm and designed for precision.
- Empowers both mechanics and riders to easily service bicycles.