Feature 1The brake disc is made of highquality steel alloy, which has super toughness and heat dissipation, antiwear and anticorrosion. 2The brake caliper is made of highhardness aluminum alloy, polished by CNC technology, smooth and glossy. 3Replacement for MBX10 MBX11 Moto Rear Mini Bike 47cc 49cc Pocket Bike Goped Scooter GoKart. 4The installation is simple and does not require complicated operations, save your time and effort. 5Original standard, direct replacement for the old or damaged brake caliper and brake disc, which has stable performance.Item Type: Brake Caliper + Brake Disc Brake Disc Material: Steel AlloyBrake Caliper: CNC Aluminum AlloyBrake Caliper Mounting Screw Hole Distance: Approx. 50.5mm/2inBrake Disc Outer Diameter: Approx. 120mm/4.7inBrake Disc Mounting Hole Diameter: Approx. 45mm/1.8inFitment: Replacement for MBX10 MBX11 Moto Rear Mini Bike 47cc 49cc Pocket Bike Goped Scooter Go-Kart Bicycle motorcycle Disc EBikes Mountain Bike And Sports Bike .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Brake Disc1 x Brake Caliper