Time for an upgrade? Yup! Shimano Deore BR-M6120 4-Piston Disc Brake Set, front & rear set! Shimano Deore 4-Piston Disc Brakes - BR-M6120 4-piston calipers and BL-M6100 levers, full set (front & rear). Brakes are assembled with hoses and pre-bled & include Shimano D03S Metal brake pads. With quicker brake engagement and shorter free stroke, the Shimano DEORE disc brake set delivers reliable braking, allowing you to remain focused on the trail. The set delivers dependable braking in all weather conditions with the 4-piston calipers adding more control and inspiring greater confidence on descent. SERVOWAVE ACTION brake levers Initial pad