Fitment: This Atv Hydraulic Brake Kit Fit For 50cc 70cc 90cc 110cc 125cc (Kids) ATV Dune Buggy Quad 4 Wheeler. Also for most Chinese made ATV from 50cc to 125cc, such as: TaoTao Buyang Coolsport Sunl Roketa AIM-EX Lifan Baja etc Brake hose length: 1450mm/57''; Caliper mounting hole spacing: 63mm/2.5''; Mounting hole diameter: 7/8'' 22mm. Material: Brake caliper using premium metal, brake oil pipe using heavy duty braided stainless steel Dimension of front disc brake rotor, Outer diameter: 158 mm/6.22"; Inner diameter:48 mm/1.88"; Installation pitch:68mm/2.67", thickness:9 mm/0.35''. Placement on vehicle: front or rear. Package includes:1Pcs x Left Rear Hand Brake Assembly with TYPE B Caliper (with brake pad installed),1Pcs x Front Disc Brake Plate, 1Pair x Brake Pad, 4Pcs x Brake Plaste Screw, 2Pcs x Caliper Mounting Bolt, 3Pcs x Ties NOTE: There are two types brake caliper with different brake pad, TYPE A and TYPE B, pls check pics and compare it with your old pats carefully before order, thanks. Rear Hydraulic Disc Brake System Caliper+ 158mm Rear Front Brake Disk Rotor+ Screws for ATV Quad Rear Hand Brake Assembly Master Cylinder Caliper for 50cc 70cc 90cc 110cc 125cc Quad Bike ATV Buggy, Blue