Jagwire Extreme Disc Pad Avid Elixer R, CR Fits Avid Elixir CR, Elixir R The Redzone Extreme disc pads offer reliable wet condition stopping power The Extreme compound is ideal for rainy and muddy condition or in areas of high humidity A thin layer of Jagwire's proprietary Redzone heat shield creates a barrier between the compound and the backing plate Springs are included with the necessary pads 23.5 grams per pair