wheel![click to hear](/images/speaker.jpg)
Circular unit turning around an axle; it supports the weight of the vehicle and transmits the thrust, steering and braking actions.
disk ![click to hear](/images/speaker.jpg)
A part of the rim that is fixed at its center on the wheel’s axle.
rim ![click to hear](/images/speaker.jpg)
Metal circle constituting the wheel’s circumference and on which the tire is mounted.
rim flange ![click to hear](/images/speaker.jpg)
Edge of the rim providing lateral support to the tire bead so that it adheres solidly to it.