These disc brake pads fit a variety of SRAM and Avid brakes and offer industry-leading brake compounds for consistent, confident performance. Jagwire Pro E-Bike pads feature a friction compound developed specifically for the unique needs of pedal-assist E-bikes Tuned to provide more stopping power and durability than typical pads, with consistent modulation and little braking noise Steel backing plate Compatible with SRAM(R) Level Ultimate (B1), Level TLM (B1), Level TL, Level T, Level; DB5, DB3, DB1; Avid(R) Elixir R, CR, CR Mag,1, 3, 5, 7, 9, X0; XX, XX World Cup; Red eTap AXS HRD 2-Piece (2019+); Force eTap, AXS HRD; Rival eTap AXS HRD Specifications CompoundSemi-MetallicPad Shape Number01Designed for ebikeYesBacking Plate MaterialSteel