Grade B - Product is brand new and unused but the item has cosmetic marks, scuffs or scratches with little or no packaging. The product can still be used as originally intended. • Ergonomic and powerful Servo Wave XT hydraulic disc brake levers offer exceptional control and modulation• Short stroke Servo-Wave mechanism for quick pad engagement and more power for aggressive riding• An increase in pad clearance at the calliper has enabled Shimano to use their proven Servo Wave technology.