Budget friendly version of the Guide Hydraulic line from Sram shares many of the same features as their more expensive counterpart Lightweight 4-piston dual-diameter caliper Cast aluminum body with stamped aluminum lever blade S4 caliper with Bleeding Edge� and Heat Shield technologies MatchMaker� compatible Tooled reach adjust Front No Rotor Black Dot 4 950mm Standard Post MountUPC/EAN/GTIN: 710845813054