Silver Bicycle Engine Kit, Gas Bike Engine Kit, Motorized Bike Engine Kit, low price with good quality, four types for choice Why are you still pedaling? Turn your bicycle to a motorize scooter and “ Arrive, no sweat!” Let’s do it! This kit comes with every thing needed to convert most regular 22", 24", 26" or 28" single speed or multi speed with v-frame bike into a motorized bike. It is the best ...