Shimano XT BR-M8000 Hydraulic Disc Brake Caliper Riding comfortably at white-knuckle speeds requires an unconscious, intuitive confidence in your machine. It requires knowing that whatever conditions you come across, your brakes will be ready and able to deliver reliable control in any situation. Say hello to the XT M8000 Brakes, and say goodbye to compromise. The integration of Servo-Wave brake-boosting technology into XT brakes delivers gobs of lightweight stopping power. With ceramic pistons to increase power, reduce vibrations and shed performance-sapping heat, when coupled with innovative IceTech aluminum-core rotors (sold separately) to even further keep heat buildup at bay, the XT BR-M8000 brakes maintain cool, quiet performance under fire. Shimano XT BR-M8000 Hydraulic Disc Brake Caliper Specifications : Ceramic pistons for maximum heat insulation Model Number: BR-M8000 Series: DEORE XT M8000 Brake Pad Types: G02A Resin (included), J02 A Resin, G04S Metal, J04C Metal Hydraulic Fluid: SHIMANO Mineral Oil Caliper Mount Type: Hydraulic Disc Brake Piston Count: 2 (Dual) | Shimano XT BR-M8000 Disc Brake Caliper Black, W/O Adapter