The BlackBox Ceramic Pulley Set from Sram is a high-quality component specifically designed for mechanical Red derailleurs. Equipped with ceramic bearings, this set offers improved performance and efficiency when shifting. The use of ceramic materials not only reduces friction but also extends the lifespan of the components. This set is ideal for road cyclists who value precise shifting and optimal gearing. The pulleys are designed to meet the demands of competitive cycling and ensure reliable functionality. The combination of advanced technology and thoughtful design makes the pulley set an excellent choice for anyone looking to enhance their shifting performance.

• Compatible with all mechanical Red derailleurs
• Improved shifting performance through ceramic bearings
• Longer lifespan and reduced friction.