Description
Top-end bearing wear is one of the most common failure points in high-revving two-stroke engines, and a failed bearing can quickly turn a race day into a rebuild nightmare. The Wiseco CR125R B1018 bearing is engineered specifically for the demands of 1979-1987 CR125R applications, delivering the durability and precision fit you need to keep your engine reliable at peak RPM. Whether you’re refreshing a vintage racer or building a reliable restoration, this bearing ensures consistent performance without compromise.
- High-silicon aluminum alloy
- Case-hardened construction
- Optimized for high RPM
- Precision-engineered fitment
- Enhanced wear resistance
- CR125R specific (1979-1987)
- Fits top-end assembly
