Sell Bicycle Engine Kit, Motorized Bike, hot selling in American, Europe

Packing Size:42x42x17CM
Gross weight: 48cc:11.5kg 60cc:11.8kg 80cc:12kg
Max. speed: 48cc:30km/h 60cc:35km/h 70cc:...  
Material: matel
Color: chromed,black, silver