XTR fully bled 4 pot Enduro/Trail brakes are performance optimized Servo-Wave systems with full adjustability on the fly. Fully bled lever and calliper 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 Free-stroke adjustment Second braced bar contact point for increased master cylinder and lever rigidity Dual diameter 4 pistons design optimized for high power and control Super lightweight forged one piece design that increases rigidity and reduces weight Anti-rattle pad structure wider back plate of pad with narrower ovalized hole for pad pin Forged alloy short 14 mm wide up-swept brake lever with textured finish for optimum strength grip and ergonomics Evolved ergonomic lever design for trail/enduro with a closer pivot and natural finger motion provides efficient and powerful braking 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