Avid Elixir CR Carbon X9 185mm Left/Front Disc Brake Tri-Align caliper positioning system aligns the caliper perfectly to the rotor with no trial and error and no pesky shims Tool-free contact point and reach adjustment TaperBore lever with integrated reservoir Two-piece caliper with adjustable banjo Split clamp, MatchMaker compatible G3 CleanSweep rotors and sintered pads (top-loading) 375 grams