XTR 2 pot XC race brakes are performance optimized Servo-Wave systems with full adjustability on the fly Levers and callipers comes without adapters or rotors giving you the freedom to customise and suit your bike Recommended for use with Ice Tech Center Lock rotors for optimum braking performance in a choice of 160, 180 and 203 mm short stroke Servo-Wave mechanism with SIL-TEC roller for a quick, smooth pad engagement and more power for aggressive riding Second braced bar contact point for increased master cylinder and lever rigidity Heat resistant resin pistons optimized for heat insulation, lightweight and stiffness Opposed 2-piston design reduces leading effect and optimal pad wear increases braking control Carbon lever blade with textured finish for optimum strength, grip and lightweight Ergonomic pivot position for efficient and powerful braking follows a natural pulling arc Only for use with Low Viscosity Oil. For consistent viscosity over a wide temperature range ensuring stable piston movement within the brake system and always provides the necessary braking force with a constant lever stroke Shim-less post style mounting system can be used with adapters Hinged clamp and reach adjustment for quick installation and the perfect custom fit I-spec-EV compatible Kit also contains pads, spare olives and insert should you wish to adjust the length of the cuttable hoses