SRAM ROAD BRAKE PAD INSERTS BY SWISS STOPSRAM road replacement brake pads for Rival and Force caliper brakes. The yellow compound is specifically designed to be use with carbon rims while the black compound is desinged for aluminum rims. Post Mount Type: Replacement Insert Pad Use: Standard Brake Fit: Road Caliper Yellow pads are compatible with carbon rims Black pads are compatible with aluminum rims | Sram | Road Brake Pad Inserts By Swissstop | Yellow | For Carbon Rims By Swissstop