The bicycle frame, tires, pedals, brakes, chains and other 25 parts, the basic components are indispensable. Among them, the frame is the skeleton of the bicycle, it bears the weight of people and goods. According to the working characteristics of each component, it can be divided into the guidance system, the drive system and the braking system:

The 1 guide system consists of a handle, a front fork, front wheel, etc.. Riding through the handlebar to change direction and keep the body balanced.

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2 drive (driving or walking) system is composed of a pedal, a central axis, a chain wheel, a crank, chain, flywheel, rear axle, rear wheel etc.. The foot pedal force is on the pedal through the crank, sprocket, chain, flywheel, and other components of the rear axle transmission, so as to cause the bicycle to continue moving forward.

Brake system: it consists of 3 parts, the rider can manipulate the riding bicycle brake, deceleration, stop, ensure traffic safety.

In addition, in order to safe and beautiful, and from the practical point of view, is also equipped with lamp, bracket, bell etc..

Form

1, the body part: including

Frame, fork, handlebar, saddles and fork assemblies, bicycle

Bike photos

Bicycle photo (24)

Subject. The transmission part comprises a pedal crank sprocket, chain, axial and the flywheel, by human pedaled pedal, drive wheels to rotate through the above transmission, drive.

The 2 part of the action, which including the front wheels and rear axle parts, the spokes and rim (RIM), tire etc..

3, the safety device: including brakes (Che Zha) light bell reflecting device etc..

According to the needs, still can add some accessories, such as stents, hangers, fork, fender, etc. An insurance. In addition, equipped with variable speed sports cars, racing cars, mountain bikes, also equipped with variable speed controller and front and rear derailleur.

4, and double power bicycle: made of an alloy box frame increase in the traditional bicycle, the box contains a variety of transmission parts, through interaction force, so as to realize the double power and push pull handles simple action, to achieve the handlebar can let the car forward, not only saving. But also fitness.