The outer surface of the upper fender of the tire is hard, called wheel eyebrow, which is generally black and protrudes in a circle. The soft inside is called the inner lining board, and some people call it the wheel arch interior trim board. Others call it the whole fender on the tire fender. The protective plate on the tire has the following functions:

1. Increase the overall beauty of the car body.

2. Use fluid mechanics to reduce the drag coefficient and make the car run more smoothly.

3. Prevent some dirt from splashing on the car body or people, causing the car body or people to be unsightly.

4. When the car is driving, prevent the silt rolled up by the wheel from splashing paint. Because the tires are easy to be mixed with pebbles, it is easy to be thrown onto the car body when the speed is too fast, and the paint surface will collapse.

Don't worry if the wheel eyebrows are scratched, because the wheel eyebrows are all plastic, so don't worry about rust. Moreover, if the tire is scraped, it will not affect the normal running of the car, and there is no need to spend money to repair it.

If you really want to repair it, I suggest buying a touch-up pen and repairing it yourself. If you are a local tyrant, you can go to a car beauty shop.

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