The SwissStop Disc 26 Endurance Avid Elixir Brake Pads are based around the class leading SwissStop Organic pad, but tweaked for applications requiring greater endurance. Ideal for E-Bikes. SwissStop Disc 26 Endurance Avid Elixir Brake Pads Features Long lasting, high endurance pad compound Organic formula is low noise and rotor friendly Very easy modulation of braking force High temperature stability for consistent brake power Supplied as pairs (for one wheel) Fits: Avid Elixir 9, 7, 5, 3, 1, CR, R, SRAM XX, XO, DB 5, 3, 1, Level TL, Level T, Level