Tires have been a vehicle's most important safety feature for more than 100 years. After all, they are a vehicle's only contact with the road. Even the brawniest engine, strongest brakes, and most advanced anti-skid system are at the mercy of the tire's grip on the road. Every move a driver makes with the steering wheel, brake or gas pedal is transmitted to the road through the four notepad-sized contact patches of the tires.
Photo courtesy Bridgestone Firestone
Cutaway of a Bridgestone Potenza.
Here you can see the main components: the inner liner, the fabric and steel belts, the bead, the tread, and the sidewall. See more pictures of tires.
So, if a consumer has tires that are worn, under-inflated, or not suited to the environment, they put themselves, their vehicle, and others at risk. But most drivers don't know enough about tires to make an educated purchase. For some, the choice comes down to price and availability. Others buy tires based on appearance or reputation. This list will cover the basic information you should understand to select the right tires for you.
