Shimano Disc Brake Pads For RS805/RS505 These Shimano Disc Brake Pads For RS805/RS505 are alloy backed replacements for RS805/RS505 calipers. They work well in both dry and wet riding conditions and feature an alloy backing plate for excellent heat conductivity. Features Alloy backing plate Sintered compound for excellent stopping poweror Resin for ultimate bite and smooth modulation Available with or without Radiator fins for optimumcooling Compatible with flat mount RS805/RS505/R9170 calipers. | Shimano | L04 Sintered Finned Disc Brake Pads L04C Sintered Finned