Power King Towmax STR II is a premium trailer service tire made for travel trailers, boat trailers, or pop-up campers. This tire had been designed to deliver long-lasting and dependable performance specific to trailers. The tire features an energy-efficient lower rolling resistance tread compound to enhance the towing vehicle’s fuel economy. The compound is molded into a symmetric tread design and features a solid center rib and linked shoulder blocks to provide constant rubber-to-road contact for better highway stability, traction and wear. The internal structure features twin steel belts and polyester cord body designed to smooth out the trailer’s ride.