Upgrade your bike's performance with this Kogel Ceramic Bearing Oversized Pulley Wheel. The pulley wheel is designed for Shimano drivetrains and can be used for road on 105, Ultegra, Dura-Ace and mountain 10 and 11 speed drivetrains. Its gold color adds a touch of style to your ride and the ceramic material ensures longevity and durability. The pulley is also suitable for  with 10-speed capability. With this pulley wheel set,  your bike will run smoother and more efficiently, enhancing your overall biking experience.