Multi-Bearing Construction: Two ball bearing units provide a smooth and dependable short-throw shifting action. Rapidfire Remote Compatible: Connects with Rapidfire remote lever (SS-SS95) for rear derailleur shifting from the bar end. Adjustable Servo-Wave Brake Lever: Servo-Wave action is freely adjustable to rider preference. Flight Deck Compatible: Integrated contol keys for hands-on-bar Flight Deck operation. Use SM-6501-MD bracket/sensor kit. Specifications Types combined shift & brake lever set Rear 9-Speed Front triple Optical Gear Display yes Shift Cable Casing sealed SIS-SP40 Shift Cable stainless steel Compatible SL-SS95 yes Compatible Flight Deck Bracket & Sensor Kit SM-6501-M/SM-6500-M Brake Lever Specs-Brake Compatibility V-Brake/Mechanical Disc Brake Brake Lever Specs-Servo Wave Action Power Adjuster step-less Weight 414g