Top Quality Bicycle Engine Kit, Gas Bike Convertion Kit 1) low price ... bicycle engine kitTop Quality Bicycle Engine Kit, Gas Bike Convertion Kit Specifications Bicycle Motor Kit, ... Motorized Bike Gas Engine, 2 stroke, 48cc/55cc/60cc/80ccModel ... : 1 3. Displacement: 48cc, 60cc, 80cc 4. Ignition: CDI Ignition 5. Transmission: Steel chain 6. Max. Power(kw ...