EXOTherm2 combines an extremely durable, smooth modulating pad compound with a cooling fin equipped back plate which provides consistent, powerful braking in all conditions. Fits: Red eTap AXS (Gen. 2 'Two-Piece' caliper), Force eTap AXS, Rival eTap AXS, Level Ultimate, Level TLM B1 (2020+), Level TL, Level T, Level Level, XX, XO; Avid Elixir 9, Elixir 5, Elixir 3, Elixir 1, Elixir CR, Elixir R. The EXOTherm2 technology is SwissStop's maximum pad life compound that also offers minimum brake fade. Organic compound provides a low pad wear rate. Aluminum backing plate is equipped with cooling fins for heat dissipation and is lightweight. Smooth, consistent brake performance. Item Specifications: Backing Plate Material: Aluminum, Compound: Organic, Designed for ebike: Yes, Heat Sink: Yes,