TheShimano Deore XT M8000 I-Spec-II Hydraulic Disc Brake is a highly powerful, fully bled lever and calliper that'll perform at the top level across the toughest and most demanding on terrains. Featuring the Servo-Wave mechanism the Shimano brake engages quickly and powerfuly, this short stroke design goes hand in hand with the aggressive style riding that really sets you apart from the competition. A forged alloy brake lever deliver optimum strength and reliability, with range and free stroke adjustment for a comfortable and natural experience when riding with the Shimano Deore XT M8000 Brakes Ice Tech alloy fin pads help optimise braking performance via its heat managment, ideally teamed up with an Ice Tech rotor for the best possible results. The brake calliper itself is super light, complete with oversized twin phenolic pistons to help maximise stiffness at its weight range. Shimano Deore XT M8000 I-Spec-II Hydraulic Disc Brake Features Fully bled lever and calliper comes without adapters or rotors giving you the freedom to customise to suite your bike Short stroke Servo-Wave mechanism for quick pad engagement and more power for aggressive riding Servo-Wave short stroke mechanism quickly and powerful engages the pad Oversized 22mm twin phenolic pistons are light yet super stiff & have been optimised for heat insulation Ice Tech alloy fin pads Light-weight forged calliper design that increases rigidity and reduces weight Forged alloy brake lever for optimum strength and reliability Mineral oil brake fluid is non-corrosive and less hazardous than conventional hydraulic brake fluid Shim-less mounting system allows for quick setting up Brake lever featuring reach and free stroke adjustment Hinged clamp for quick installation I-Spec-II compatible Hose length 1000 mm "