Front disc hydraulic brake master cylinder caliper assembly fits 7/8 inch/22 mm handlebars. Front disc brake plate fit for 50cc 70cc 90cc 110cc 125cc Dirt Bike Motorcycle ATV Scooter Dimension of front disc brake plate, Shock absorbing diameter: 33 mm/1.3"; Outer diameter: 190 mm/7.48"; Inner diameter: 50 mm/2"; Installation pitch:66 mm/2.6" Brake tubing length: 43.3''/1100 mm; Handlebars 7/8''/22 mm; Brake caliper mounting hole central spacing: 1.77"/45 mm; Mounting hole: 0.23''/6 mm Note: Please check pictures and specifications before place an order. If there is any problem with products, pls contact us freely Front disc hydraulic brake master cylinder caliper assembly fits 7/8 inch/22 mm handlebars.