Sram Guide and Trail Sintered Steel Disc Brake PadsThe Sram Trail and Guide Sintered Steel Disc Brake Pads have both the left and right pads with retraction spring. Compatible in front or rear of the bicycle. Designed as replacement brake pads for your 2011 or newer disc brakes. Steel backing and Sintered Pads last longer and hold up under harsher conditions for better longevity.710845760068