Tire is one of the most important components on the car, its effects are:

1, support the full weight of the vehicle, under vehicle load, and pass the other direction of the force and torque;

2, transmission, propulsion and braking torque to ensure good adhesion between wheels and pavement, to improve the car's power, braking and through sex; together with automobile suspension to ease when the car has been hit, and attenuating the vibration;

3, preventing car parts subject to severe vibration and premature failure, adapt to the speed of the vehicle driving performance and reduces noise, ensuring driving safety, handling and stability, comfort and energy-efficient economy.