There are many kinds of electric vehicles on the market at present.For example electric motorcycles,electric scooters,electric bikes,electric tricycles and so on.Under normal circumstances, the frame of high-quality electric motorcycle is usually made of iron and there will be many holes in it.The other part of high-quality models are plastic shell. Good plastic parts have high hardness and strong wear resistance.The last one is the quality of the motor. We all know motor is an important part of electric motorcycle, so when you want to by an electric motorcycle,you must to choose a good quality motor.