Key Specifications/Special Features: ? User age: >14 years old ? Motive: 39cc ? Tire: 13 inches (tubeless) ? Tank capacity: 1.5L ? Oil type: petrol, 1:25 engine oil mixing ?Brake: double front and rear disc brake ?Speed: 80-100km/h ?Revolving mode: chain driving ?Torque: 4.5n.m/15000rpm ?Engine: single cylinder, two stroke, WATER-COOLED ?Starter: handle-power ?Power: 5KW, 6.7HP ?Carton Size: 110x38x60cm