The small drum bag of tire manufacturers seems to be very small, but it actually hides great security risks. This small point is the point where the tire is most stressed, and it is usually the location where the tire puncture occurs. When driving at high speed, sudden puncture is a very terrible thing, and it must be replaced for safety.

Automobile tire is one of the important parts of automobile, which is in direct contact with the road surface. Together with automobile suspension, it can reduce the impact of automobile driving and ensure good riding comfort. Ensure good adhesion between the wheel and the road surface; Improve the traction, braking and passability of the car; Bearing the weight of the car, people pay more and more attention to the important role of tires in the car.