Wheel balancing refers to the process of ensuring that the weight distribution of a wheel and tire assembly is even around its axis of rotation. This is achieved by adding or removing small weights on the wheel rim to balance the tire and wheel assembly.

When a tire and wheel assembly is not balanced correctly, it can cause vibrations in the vehicle, especially at high speeds. This can lead to uneven tire wear, reduced fuel efficiency, and poor handling. Wheel balancing is typically performed by an auto technician using a wheel balancing machine, which measures the imbalance and calculates the amount and location of weight needed to balance the assembly.

Wheel balancing is an important part of routine vehicle maintenance and should be performed whenever new tires are installed, or if the driver experiences vibrations or uneven wear on their tires.