Traditional Culture Encyclopedia - Travel guide - How big is a 22-inch bike suitable for children to ride?
How big is a 22-inch bike suitable for children to ride?
Bicycles, also known as bicycles or bicycles, are usually small land vehicles with two wheels. After people get on the bus, they are green and environmentally friendly vehicles powered by pedaling. British bicycles. Where bi stands for two, and cycle stands for wheels, that is, a two-wheeled vehicle.
In China, Taiwan Province Province and Singapore, it is usually called "bicycle" or "bicycle"; In Hong Kong and Macao, it is usually called "bicycle" (in fact, it is generally called in Cantonese); In Japan, it is called "self-transfer". There are many kinds of bicycles, including single bicycle, double bicycle and multiplayer bicycle.
It can be used as an environmentally friendly means of transportation and tourism; More and more people use bicycles as fitness equipment for riding and cycling. Cycling itself is also a competitive sport, including road cycling, mountain cycling, track cycling and acrobatic cycling.
By the end of 20 19, the number of bicycles and electric bicycles in China has reached nearly 400 million, ranking first in the world.
Diversified design:
The first truly practical bicycle in the world appeared at the beginning of19th century. 18 17, German delaisse invented a wooden two-wheeled bicycle with handlebars in Paris. After the bicycle came out, it quickly became the favored means of transportation for Europeans at that time. In the19th century, some Europeans also conceived some ideal bicycle maps.
In the early days of bicycle invention, people thought that the bigger the wheel, the faster the speed. Two people are riding a bicycle, and the wheels are almost one person high.
In the invention stage of bicycle, some people did not design the two wheels of bicycle to be placed back and forth, but left and right. This bike is shaped a bit like a wheelchair.
In 20 12, China had a fitness bike with both hands and feet. When riding, the car can push and pull the handlebar to get forward driving force, which realizes the perfect combination of fitness and walking. Because the push-pull handlebar can effectively exercise the muscles of waist, abdomen, legs, chest, arms and other parts during riding. Opened a new era in the history of bicycles.
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