✅ DESIGNED FOR CARBON FIBRE WHEEL RIMS – These special bicycle brake pad inserts are designed for wheels with carbon rims/carbon braking surfaces. ✅ TUBULAR & CLINCHER COMPATIBLE - Our bike brake pads can be used on any tubular or clincher rim with a carbon braking surface. Fits Dura Ace, Ultegra, 105 and all Sram Brakesets. ✅ WHAT YOU GET - Choose between 2pcs or 4pcs bike brake pads, suitable for front or rear brakes. ✅ HIGH PERFORMANCE BRAKING – Our rubber compound brake pad inserts give you the best braking performance in all weather conditions - resulting in maximum braking power positive braking feedback and durability. ✅ TRIED AND TESTED FOR OVER 10 YEARS - VeloChampion has over 10 years of experience in the sale of bicycle equipment and accessories.