Avid avid guide trail disc brake pads aluavid guide trail disc brake pads aluthese avid guide trail disc brake pads feature an aluminium backing plate for a reduced weight, better heat dissipation and corrosion resistance. The organic compound has a sharp bite and a low bed in time. These brake pads are compatible with avid elixir trail or sram guide brakes.options option 1 organic aluminium trail, guideoption 2 organic aluminium level ultimate, level tlm option 3 organic steel level ultimate, level tlm option 4 sintered steel level ultimate, level tlm features organic pad stainless steel backer plate options include metal sintered with steel backing, organic with steel backing or organic with aluminium each pad kit includes two pads, a pad spreader spring, pad pin and clip for the best braking performance also replace rotors when replacing padsbuy avid components from chain reaction cycles, the world's largest online bike store.