Bicycles are usually small two wheeled land vehicles. People riding on the car, with the pedal as the power, is a green and environmentally friendly means of transportation. There are many kinds of bicycles, including single bike, double bike and multi bike.
It can be used as an environmental protection means of transportation for walking and traveling; more and more people use bicycles as fitness equipment for riding and cycling; bicycle itself is also a competitive sport, including road cycling, mountain cycling, track cycling, stunt cycling, etc.
Source: @__nj__tattoo__