Loadstar Karrier Radial Trailer TiresRecommended for heavier loads and trailers used over long distances, Loadstar Karrier Radial Tires wear longer than bias ply tires. Loadstar Radial Tires provide greater strength, improved highway stability, and lower rolling resistance for increased fuel economy. Steel belted plies help stabilize the tread and add flexibility to the sidewall, lengthening the tread life of the tire. Made from an advanced rubber compound for long-lasting tread and low rolling resistance. Lower rolling resistance Improved fuel economy Rim not included | Kenda Karrier Radial Trailer Tire Only, ST225/75R15