The BKCJ-0195 11t Zero Ceramic Hybrid Shimano jockey wheel set is specifically designed for Shimano drivetrains.Featuring 11-tooth jockey wheels with ceramic hybrid bearings, this set provides enhanced shifting performance by reducing friction and improving durability.The combination of ceramic balls and steel races in the hybrid bearings offers smoother operation, longer lifespan, and better efficiency, making it a great choice for riders who demand precise and reliable performance.Ideal for both casual and competitive cyclists, this jockey wheel set helps maintain optimal drivetrain performance and minimizes maintenance needs.