The numbers on a tire's sidewall provide information about its size, manufacture date, load rating, speed rating, and maximum ...

People have been riding on air since John Dunlop invented the pneumatic tire in 1887. The average motorist might think that his tires’ rubber and steel belts support the vehicles’ weight, but air ...

Tire speed ratings look like tiny letters buried in a sidewall code, but they shape how a car steers, stops, and feels long before anyone gets near the limit on the speedometer. Matching that rating ...