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2022
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Bicycle is one of the most common means of transportation. Its bicycle is composed of many parts
Author:
At present, the structure of bicycles is relatively simple. You can also experience or feel the role of various parts of an automatic bike when riding.
1. Frame: it is the core and skeleton of a bicycle, and its role is to support and connect other parts;
2. Wheel: a component installed on the rim to allow the vehicle to rotate freely;
3. Car seat: installed above the riser to support the body;
4. Transmission system: It is composed of pedal, chain wheel, chain and flywheel, which is the main force for human to drive the bicycle forward;
5. Brake system: It is composed of brake lever, front brake, rear brake, front fork and bowl set. Its function is that cyclists can slow down and stop according to their own needs
Come;
6. Transmission system: It is composed of a transmission lever, a physical transmission line and an electronic derailleur. Its function is that cyclists can change gears according to their own needs to make their own speed faster
Faster or less energy saving;
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