High quality brake levers designed for use with V-brakes & mechanical disc brakes. The classic design gives superior braking performance & easy control for demanding riders. Servo Wave action power adjuster gives enhanced braking control & Shimano's proven Servo Wave technology enables a cam linkage to operate allowing rapid pad to rim engagement. With a forged alloy one piece handle bar clamp bracket for optimum rigidity & light weight, the forged alloy lever blade for dependable & durable braking.