Kool Stop Disc Pads Organic Compound, Disc Brake Pads, Shape: AVID Elixir XX, Organic, Pair Kool-stop disc pads are made with Organic materials that are Blended and bound together using a resin The compounds do include small amounts of metal to improve the braking Formula but though this is a mined material the pads are largely Organic Kool Stop, disc pads Organic compound, disc brake pads, shape: Avid Elixir XX, Organic, pair