Q:Choose a bike, see what time, urgent urgent!

1. what is a bicycle part?Mounted on the frame of various parts have their respective roles, for example, is to make the bicycle safety brake pedal to stop; specialized factories to power the wheels and so on, the production and sale of these parts is called bicycle parts manufacturers, parts manufacturers famous every year to develop new products, these products also provide for the bicycle manufacturer, then appear on the market.2. what is the best part of a bicycle?To put it simply, it's light and strong, and better performance. Because of these conditions, it is easy, safe and convenient for a bicycle to ride. But to achieve all of the above conditions, good materials are needed. Therefore, bicycle parts are often a factor in the price of bicycles. The best thing is to be able to take part in the Olympic cycling events. The best materials are the strength, the performance, and the weight.

Q:Who invented the bicycle?

Now, bicycles, like tides, spread all over the world and into every household. But few people know that the bicycle was invented by a German Forester named Drais (1785 - 1851).Lin was a look at people, all from the woods go to another forest every day, over the years of hard walking, he wanted to arouse the desire to invent a means of transport. He thought, "if people could sit on wheels, wouldn't they go faster?"! In this way, delaisse began to design and manufacture of bicycle. He made a wheeled car with two wooden wheels, a saddle, and a handlebar that was controlled on the front wheel. The man sits on the car and drives the wooden wheel with his feet. In this way, the world's first bicycle came out.

Q:Week riding a bicycle on the way to work, accidentally fell down from the bike patellar fracture, calculate do not calculate inductrial injury?

If it falls on its own bicycle, it does not conform to the relevant regulations of the industrial injury insurance Ordinance, and can not be identified as work-related injuries!

Q:I just want to buy a bike. Why did I buy Rolls-Royce at last?

Unexpectedly, 1W can buy a 2 hand cart. So for a car.Pick and choose. 2 hand Jetta, nearly 3w. Decide to buy.But next door Chery says 3W can buy their new car. Then changed to buy Chery.Go up for a ride. It's a bit crowded. Never mind。Plus money for a3., I think the car is short. Went to see the tiger.Come down and count as many as 10w. Why don't you buy Chery and buy a joint venture?.Just look at polo. Told with jane. Ordering golf?. People say fare increases.Gnash one's teeth. Decided to buy crv. It's about the same price as golf.As a result, the Tiguan seems to be around that price.

Q:For example, mine is squareYes, mine is a road bus, that is, I want to change the axle. I don't know the dimensions of online shopping, I'm afraid I'll buy it.

Two points, one is the installation size, a shaft length. Installation size is divided into two kinds of 68mm and 72mm, but also on the length of the frame five pass, the five pass is the bottom of the frame, the center of the barrel

Q:Rust removal of bicycle My bike is out in the rain and rusted

My bike stood outside the rain now have rust, oxalic acid, hydrochloric acid, toilet cleaner, oil gun, oil, excuse me what method can effectively and safely rust, and not damage the original bicycle iron parts. Professionals enter. If the answer is detailed and valid, additional points can be added. Hope is your thing, don't search it online

Q:How to adjust the bike

The data line is connected to a sensor, the other end is the base table. Induction magnet and two rubber bands (used in large fixed sensors, small fixed on the base, the back will be used), there are a few root line is not detailed, directly to the installation steps of table.

Q:Ask what to pay attention to buying bicycles

Fourth, mountain bike riding, should adjust the transmission, to ride the foot pedal somewhat strong is appropriate, such as feeling empty pedal, should immediately adjust to the high speed gear ratio; such as the feeling of riding a pedal heavy difficulty, can be adjusted to low gear ratio. Remember in the transformation ratio, not against the pedal, otherwise, extremely easy to damage the teeth or chain pulley. When riding a mountain bike, you should adjust the speed ratio of the car slowly until you find the gear suitable for you. While riding in the mountains, pay attention to the trees, ditches and visitors. Generally from the mountain down, the speed of up to 65 kilometers or more, such speed, whether hit the tree or human, the consequences are the same.Cycling is very good for the heart and lungs, it can exercise leg strength, and there is no damage to the knee joint. To ride in the field, not only exercise the body, but also visited the wild scenery, edify character, but also exercise will and courage. As a result, according to the Washington bicycle association, 14 million people are currently keen on mountain biking. In our country, more and more teenagers and even adults buy mountain bikes

Q:I bought a used bike, but the seller said the receipt could not be found. Could you write a receipt for me? Is this receipt valid? How do you write it? More details, thank you.When he bought the car, he couldn't find the receipt. He wanted to write me a note.

receiptI sell my licensed bicycle of this name (a few new) and sell it to someone. Of goods and payments.

Q:What do you mean, what bike?

This is the shopping time, see the cabbage price, there is nothing else to abandon.