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 plate, 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:1x Left Rear Hand Brake Assembly with TYPE B Caliper (with brake pad installed) + 1x Brake Disc Rotor + 4x Rotor Mounting Screw + 2x Caliper Mounting Bolt + 3x Tie 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. PRO BAT ATV Hydraulic Disc Brake Kit with 158mm Disk Brake Rotor for 50cc 70cc 90cc 110cc 125cc Quad Kids ATV Buggy TaoTao Buyang Coolsport Sunl Baja (Black)