Jagwire Mountain Pro Extreme Disc Brake Pad Avid Elixir R CR Mag 1 3 5 7 9 X.O Compatible with Avid Elixir R, CR, CR Mag, 1, 3, 5, 7, 9, X.0, XX, World cup Compatible with SRAM DB, DB5, Level, Level T, Level TL Sintered compound provides maximum durability and consistency, especially in inclement weather Steel backing plate These disc brake pads fit a variety of SRAM and Avid brakes and offer industry leading brake compounds for consistent, confident performance.