When braking control and smooth, quiet operation are critical to the ride, the D03S-RX Disc Brake Pads are designed to offer exceptional modulation, with quiet, smooth, controllable braking under the most intense descending and trail riding. Compatible with many Shimano XT, Saint, and ZEE braking systems (see full list below), these pads are proven performers under high-intensity braking situations and technical descending. The D03S-RX brake pads feature Shimano's 3rd generation resin pad compound, which offers 40% better wear resistance than previous D01S pads-while reducing noise, providing exceptional modulation, and above-average stopping power. Descend with confidence with the Shimano D03S-RX Disc Brake Pads.