SHIMANO Deore XT BL/BR-M8000 Disc Brake Levers Calipers Metal Pad Rear Right 1700mm Black Retail Package Power level is specifically tuned for trail riding Material: aluminum, Type: hydraulic Pre-bled disc brake kit for use with separate RapidFire shifters Refined Servo Wave for improved feel and feedback, improved adjustability Narrow clamp band offers increased positional adjustment