Brakes Swissstop Kit 4 Rim Pad Race Pro brake pads. The rubber compound for carbon rims. For absolute braking power (wet and dry) and absolute timing precision on carbon rims. No squeaking and minimal wear. Can also be used on aluminum rims. Also adapts to different wheel sizes. Trim can briefly heat to more than 300°. Technical details:- Rim: Carbon Performance:- 0 (worst) - 10 (best)- Stopping Power: 9- Longevity: 7- Modulation: 7 Brakes Swissstop Kit 4 Rim Pad Race Pro brake pads. The rubber compound for carbon rims. For absolute braking power (wet and dry) and absolute timing precision on carbon rims. No squeaking and minimal wear. Can also be used on aluminum rims. Also adapts to different wheel sizes. Trim can briefly heat up to over 300°C! Technical details:- Rim: Carbon Performance:- 0 (worst) - 10 (best)- Stopping Power: 9- Longevity: 7- Modulation: 7