Top Quality Bicycle Engine Kit, Gas Bike Convertion Kit 1) low price with good quality 2) get CE approved ... 2-stroke bicycle engine kitTop Quality Bicycle Engine Kit, Gas Bike Convertion Kit Specifications Bicycle Motor Kit, Motorized Bike Gas Engine, 2 stroke, 48cc ... tank: 2 L, 2.5L, 4L Top Quality Bicycle Engine Kit, Gas Bike Convertion Kit