Shimano BL-MT501-BR-MT520 4 Pot MTB Disc BrakeThis superb four-piston disc brake is specifically designed for MTB use as it offers fast and precise braking performance all across the mountain. It features a fully bled lever and a caliper which comes without adaptors or rotors allowing you the freedom to customise them to suit your riding preferences. To top it off, its strong alloy construction is tough enough for tackling all the challenges that come with a long day out on the trails.Features: Material: Alloy Clamp: Hinged clampCompatibility: Shimano I-spec II Adjustment: Reach adjust 4-piston disc brake Two piece caliper designA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.