Bicycles, also known as bicycles or bicycles, are usually small land vehicles with two wheels. When people get on the car, they are powered by stepping on the pedal. It is a green and environmentally friendly vehicle. English bicycle. Where Bi means two, and cycle means wheel, that is, a two wheeled vehicle. In mainland China, Taiwan, China and Singapore, it is often called "bicycle" or "bicycle"; In Hong Kong and Macao, it is usually called "bicycle" (in fact, it is usually called that in Cantonese); In Japan, it is called "self transfer vehicle".
There are many kinds of bicycles, including single person bicycles, double person bicycles and multi person bicycles. It can be used as an environmentally friendly means of transportation for walking and traveling; More and more people use bicycles as fitness equipment to exercise and travel; Bicycle itself is also a sports competition, including road cycling race, mountain cycling race, track cycling race, stunt cycling race, etc. As of 2019, China has nearly 400 million bicycles and 300 million electric bicycles, both ranking first in the world.