Silver Bicycle Engine Kit, Gas Bike Engine Kit, Motorized Bike Engine Kit, low price with good quality, four ... from us.Silver Bicycle Engine Kit, Gas Bike Engine Kit, Motorized Bike Engine Kit Specification: Model50cc(48cc) 60cc80cc(66cc)Engine typesingle cylinder, air-cooling ... Load capacity120kg150kg180kgFuel Type90#90#90# Silver Bicycle Engine Kit, Gas Bike Engine Kit, Motorized Bike Engine Kit