The middle part of the tire. Tires are steel. It is the part of the wire and the rim that is connected to the gear. What is the name of that part?
The wheel is also called the wheel, wheel, tire, tire is the tire inside the tire supporting the drum-shaped, the center of the metal parts mounted on the shaft. Wheels according to diameter, width, molding methods, different types of materials.
The part of the middle of the motorcycle tires is called a hub (that is, a brake hub, a brake pad) or a brake disc
