- Special trailer tire design provides the strength of a bias tire, as well as the durability and stability of a radial tire - Created specifically for trailers and not intended for use on other vehicles - Double steel belts and full nylon plies combine for superior function and long tire life - Computer-generated tread design and premium rubber-compound materials - Maximum traction in wet or dry conditions - Smooth ride and excellent stability at highway speeds - ST tire meets Department of Transportation specifications