Tire Glossary

The distribution of weight within a tire. If the wheels of a car are unbalanced, it can cause vibrating that usually increases with speed.

The edge of a tire, which is often a round hop of steel wire. Tires need to maintain proper air pressure to keep the tire bead in its place.

Usually made of steel, belts are used to reinforce the area under the tread of a tire. The belts help the tire make appropriate contact with the road.