Shimano's 4-piston Saint, Zee and XT disc brakes have been renowned for their phenomenal stopping power for years and now that incredible power comes to a new, lower price thanks to the MT501/MT520 Brakes.Great value 4-piston disc brakes provide incredible stopping powerStiff and lightweight 2-piece caliper with opposed pistons in two diameters to reduce pad wear and increases controlErgonomic alloy brake lever with hinged clamp is easy to install and is extremely comfortableCompatible with I-Spec II gear shifters for neat integration of handlebar controlsIncludes resin brake pads, spare olives and inserts so you can cut hoses to correct length rear hose length: 1700mm, front hose length: 1000mmBrakes are set up UK-style with front brake on the right, rear on the leftThe MT501/MT520's 4-piston caliper is what sets it apart from Shimano's other budget brakes. Using 4 opposed pistons with 2 diferent diameters reduces pad wear and increases control. The calipers 2-piece construction is