Motorcycles mainly used on paved roads are called road motorcycles. Road motorcycles can be divided into three categories, namely super sports motorcycles, touring motorcycles and American motorcycles. Because this kind of motorcycle mainly runs on a smooth paved road, it is also called an urban motorcycle. The concept and scope of road motorcycles are also very ambiguous. In fact, it may be better to call them ordinary motorcycles. In terms of structure, road motorcycles are only suitable for paved roads. This kind of motorcycles can achieve the best performance on paved roads. On the contrary, there will be many difficulties when driving in roadless areas. Corresponding to it is cross-country motorcycles, classified according to the location of use, can also be divided into touring cross-country motorcycles and urban cross-country motorcycles.