Unleash Unrivaled Efficiency and Speed with ENDURO BEARINGS BKCJ-0452 Directline Jockey WheelsUpgrade your Shimano Dura-Ace 12-speed drivetrain to a new level of performance with the ENDURO BEARINGS BKCJ-0452 Directline jockey wheel set. These meticulously engineered jockey wheels are designed to minimize friction and maximize power transfer, giving you the winning edge on every ride.Experience the ENDURO Difference:These aren´t your average jockey wheels. The BKCJ-0452 set features ENDURO´s renowned XD-15 ceramic hybrid bearings, renowned for their exceptional durability and ultra-smooth operation. These bearings dramatically reduce rolling resistance compared to standard steel bearings, allowing your drivetrain to spin effortlessly and conserve precious energy. Built for Speed and Precision:Every detail of the BKCJ-0452 jockey wheels is optimized for peak performance. The 11-tooth design ensures seamless chain engagement and precise shifting, while the lightweight construction minimizes rotational weight for snappier acceleration and a livelier feel on the road. Uncompromising Durability for Miles to Come:Crafted from high-quality materials, these jockey wheels are built to withstand the rigors of intense training and competitive racing. The robust construction ensures long-lasting performance, allowing you to focus on pushing your limits without worrying about component failure.Seamless Compatibility for Your Shimano Dura-Ace:Designed specifically for Shimano Dura-Ace 12-speed road groupsets, the BKCJ-0452 jockey wheels offer a hassle-free upgrade path. Installation is quick and straightforward, allowing you to experience the immediate benefits of reduced friction and enhanced performance.Elevate Your Ride, Maximize Your Potential:Don´t let drivetrain drag hold you back. Upgrade to ENDURO BEARINGS BKCJ-0452 Directline jockey wheels and unlock a new level of efficiency, speed, and durability. Feel the difference in every pedal stroke as you power through climbs, accelerate with ease, and leave the competition in your dust.