67.1-64.1mm 20 Pcs Black Plastic Wheel Hub Centric Rings

This kind of research has played a great role in improving the safety performance of automobiles.Vehicle safety is divided into two aspects: active safety and passive safety. Active safety is to control the car as freely as possible. Whether it is braking and accelerating on a straight line or steering left and right, it should be as smooth as possible, so as not to deviate from the established travel route, and not to affect the driver's vision and comfort. Such a car, of course, has a relatively high ability to avoid accidents, and it can ensure the safety of the car under emergency conditions. Passive safety refers to the protection of the car's occupants after an accident, and today this concept of protection extends to all people and even objects inside and outside the car. Since the international automotive industry has already had very detailed regulations on test details for passive safety, passive safety can be quantified to a certain extent