RAVENNA, Ohio—In response to the growing demand for electric vehicles, Smithers is adding a high-speed uniformity (HSU) machine to its Tire and Wheel Test Center in Ravenna. The ZF HSU 5.3 machine is ...

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 ...

Everybody needs tires. Whether you drive your vehicle off-road, pull a trailer, or just jam around town, tires are your all-important contact patch to the ground. There are many types of tires ...