Shimano XTR M985 Disc Brake Caliper and LeversShimano XTR brakes do not include rotors or adaptersItem Specifications- CaliperBrake Usage F/RRearHub/Brake CompatibilityCenter-Lock Disc,6-Bolt DiscBrake TypeDiscBrake Lever ActuationHydraulicCaliper Type74mm Post MountHydraulic Hose Length1700mmItem Specifications- LeverIntended UseMountainBrake Lever ActuationHydraulicBrake Lever UseRightCableHydro