The Wrangler SR-A is Goodyear's Highway All-Season tire developed for the drivers of pickup trucks, crossovers and sport utility vehicles. Extensively used as Original Equipment on a wide range of popular light trucks, the Wrangler SR-A is available in a comprehensive range of 15? through 20? rim diameter sizes. The Wrangler SR-A is designed to reduce noise, vibration and ride harshness while providing all-season traction, even on gravel roads and in light snow.