-Brake Type: Disc-Brake Lever Actuation: Hydraulic-front is left side, rear is right side / Not included adjust-Brake pads pre-installed -length:1300mm +7500mm -for 160mm disc -front :PM, rear:IS SHIMANO XTR BL-M975 Plus BR-M975 Pre-Load Disc Brake Set F/R MTB bike,SHIMANO Shimano