Brake Systems Compatible with Sram Guide R / RS / RSC / T / Ultimate , G2 R / RS / RSC / Ultimate；Avid Elixir 7 / 9 / XO Trail ( *Not applicable for Sram Code R / RS / RSC, Guide RE, G2 RE ) EXTREME STOPPING POWER–Provides comfortable and consistent braking performance under any condition. QUIET & CONTROLLED – Engineered for silent braking with excellent modulation and smooth control. EASY TO INSTALL – Simple fit with quick bed-in process for instant performance. PACKAGE INCLUDED – One pair of disc brake pads, a high-quality spring, and a screw with clip (for one wheel). This pad set includes one pair of disc brake pads、a high-quality spring and a screw with clip (for one wheel). We provide the perfect brake pads for MTB, Gravel Bike and high performance requirement users. This is the solution for those who would like to get an instant and excellent stopping power, a nice and precise braking feel, and silence when braking. Our product is made in Taiwan and contains high-quality ceramic material, KEVLAR( DuPont) and copper fiber to increase the high heat resistance and the effect of heat dissipation. In addition, our product is silent and comes with good modulation.