Features of the Shimano XT BL-M8000 Disc Brake Set Disc-brake assembled set Hydraulic disc brake: High power and controllable braking for all mtb riding styles Resin/ metal/ fin resin/ fin metal, easy adjustment 140mm rotor additional Ceramic piston brake lever: More stable brake Performance in various conditions without a change in lever position Smoother operation, subtle control with minimum free stroke One way bleeding Ice Technology pad compatible caliper Easy maintenance Specifications Average weight: 402.5 g Brake hose (kit): SM-BH90-SB Brake type: Hydraulic disc brake Caliper fixing bolt_anti loosen method: Snap ring Caliper fixing bolt_tool size: 5 mm Hose joint: Banjo Mount type(available for is mount with mount adapter): Post-type Oil: Shimano mineral Pad_Option G04S: Metal, J04C Metal Pad mount: Pad axle Piston: 2 Recommended brake lever: BL-M8000 Recommended brake rotor: SM-RT81 SM-RT86