Wheel Balance

Wheel balancing is the process of balancing the weight of a tire and wheel assembly so that it travels evenly at high speeds. Balancing requires putting a mounted wheel and tire on a balancer, which centers the wheel and spins it to determine where the weights should go. Every time a wheel is first mounted onto a vehicle with a new tire, it has to be balanced. The goal is to make sure the weight is evenly distributed throughout each of the wheels and tires on a vehicle. This process evens out heavy and light spots in a wheel, so that it rotates smoothly. If there is even a slight difference in weight in the wheels, it will cause enough momentum to create a vibration in the car.

In fact, wheels and tires are never exactly the same weight all around. The wheel's valve stem hole will usually subtract a small amount of weight from that side of the wheel. Tires will also have slight weight imbalances, whether from a joining point of the cap plies or a slight deviation from perfectly round. At high speeds, even a tiny imbalance in weight can become a large imbalance in outward force, which could cause the wheel and tire assembly to spin in a heavy and uneven motion. This usually turns into a vibration in the car as well that could cause uneven and damaging wear on the tires.

Maintaining proper wheel balance is a critical part of maintaining the life of the tire. Also proper wheel balancing ensures your vehicle has a smooth and vibration free ride.

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Wheel Terminology Explained