Keep your ride smooth and your headset running like new with the Cane Creek ZN40 Series replacement bearing. Engineered for durability and long-term performance, this precision cartridge bearing is built to handle the demands of serious riding. The ZN40 features a corrosion-resistant zinc coating that protects against the elements, while the machined steel cartridge and hardened steel balls deliver consistent, friction-free rotation mile after mile. Whether you're replacing worn bearings or upgrading your current setup, the ZN40 significantly extends the service life of your headset, reducing maintenance headaches and keeping you on the trail longer. Features: Zinc-coated steel construction resists corrosion and wear Hardened steel balls for smooth, reliable performance Precision-machined cartridge design Direct replacement for ZN40-series headsets Extended bearing life compared to standard bearings Compatible with 110, 40, and 10-Series headsets