Sram Carbon Brake Pad Road InsertsThe Sram Carbon Brake Pad Road Inserts are designed to be used with Sram Calipers and those high end full carbon rims that are popping up these days. Braking on carbon requires a special compound in order to actually stop as well as not damage your rims. These can also be used on alloy rims, no need to switch pads for your training wheels.710845606748