What's the name of the tire rack?

The hub is a cylindrical metal part used to support the tire centered on the axle. Generally speaking, it is the part where the axle is installed in the center of the wheel, which is an important part connecting the brake drum (brake disc), wheel disc and half shaft. More details are as follows: 1, the so-called "tire" is the rubber part in the "wheel" of an automobile, which is soft in itself, so the barrel-shaped part supporting the tire with the center of the tire is called the hub.