Jagwire Extreme Disc Pad Shimano XTR, XT, SLX, Deore Fits Shimano XTR M965, M966, Saint M800, XT 765, Hone M601, SLX M665, LX 585, Deore M545,M535 , R-505, S-500 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