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Wheel

A circular frame or hub of an axle to which a tire is attached.

Wheel Adapter

A metal plate that permits the use of a wheel having a different bolt pattern.

Wheel Alignment

A condition where the wheels and tires are in proper position on the vehicle.

Wheel Balance

The equal distribution of weight of a wheel with a mounted tire.

Wheel Base

The distance from the center of the front wheels to the center of the rear wheels.

Wheel Cans

The wheel wells on a race car having a full width body.

Wheel Centerline

An imaginary line through the center of the tire, a vertical line if the tire is exactly in an upright position.

Wheel Chocks

Blocks to prevent the wheels of a vehicle from rolling during a repair or service procedure.

Wheel Cylinder

The hydraulic slave cylinder mounted on the backing plate of a drum brake assembly. The wheel cylinder convert hydraulic pressure from the master cylinder to mechanical force that applies the brake shoes.

Wheel Cylinder Piston

The device in a wheel cylinder that expands, causing the brake shoe to contact the drum.

Wheel Estate

A mobile home.

Wheel Meter

A chassis dynamometer.

Wheel Nut

Threaded nuts used to retain the wheel to the studs on the hub assembly.

Wheel Offset

The distance between the centerline of the rim and the mounting plate of the wheel.

Wheel Rebound

Downward wheel and suspension movement.

Wheel Rim

Circular steel, aluminum, or magnesium components on which the tires are mounted, manufactured from stamped, or pressed steel discs that are riveted or welded together to form the circular rim.

Wheel Shimmy

1. The wobbling motion during rotation of a dynamically unbalanced tire. 2. Rapid inward and outward oscillations of the front wheels.

Wheel Spindle

The spindle on which a wheel is mounted.

Wheel Tramp

The wheel-lifting action or hopping motion caused by static unbalance. Motion may be up-and-down or forward-and-backward, caused by centrifugal force acting on a heavy tire section located near the thread-face center.

Wheel Tubs

Wheel wells installed to accommodate oversized tires.