A city bike can be with a closed (male) or open (female) frame. This type of bicycle is characterized by a vertical landing of a cyclist, the presence of mud shields, trunk, headlights, etc.D., Therefore, it can be used as a vehicle. The main purpose is trips within the city, to work, to the store, bike rogues. It is not recommended for long trips, trips in the conditions of off -road and for aggressive driving. Usually equipped with one transmission, but it is possible to establish several, with the corresponding switching mechanism.