Rear Hub Ceramic Ball Bearing Set For Racing Zero, Hybrid Ceramic Deep Groove Bearings With Steel Rings And Ceramic Balls, Rubber Sealed Double Sided Closures, Low Friction Grease Lubrication, Corrosion Resistant Chrome Steel Balls

These ceramic-hybrid deep groove bearings are designed as a direct replacement for the Racing Zero rear hub. They pair steel races with ultra-light ceramic balls to lower friction, extend life, and deliver smoother rotation in sealed, double-sided hub closures.

✅ Hybrid Ceramic Deep Groove bearings: steel races with ceramic balls
✅ Fits rear hub with rubber-sealed double-sided closures
✅ Low-friction grease reduces drag and wear for longer life
✅ Pack of 2 bearings included for immediate replacement

💡 What is a sealed ball bearing used for in bicycle hubs? This handy component keeps wheels spinning smoothly and handles radial loads in hubs. In practice: - Increased efficiency by reducing friction between moving parts - Extended life by resisting wear in dusty/wet riding conditions - Sealed closures keep out dirt and moisture for consistent performance