Ceramic bearings are designed for those who demand the best.With ceramic balls and precision-engineered steel races, this bearing reduces friction, increases durability, and provides unmatched efficiency.Perfect for high-speed cycling, it offers smoother rides with less energy loss.Suitable for all cycling disciplines, including road, MTB, gravel, and triathlon.Features:Hybrid ceramic balls.Ceramic balls resist wear for a longer lifespan, leading to exceptional durability.High precision:Our bearing is P5-grade, ensuring maximum performance.Fully sealed.All bearings have two rubber seals (one on each side) to protect against contaminants.Designed for durability in all conditions