These trailer tires are DOT approved for high speed use on US Highways.
This tire is a 4.80-12 Bias Ply Trailer tire, It typically mounts to a 4 inch wide rim, but can be mounted to a 4.5" wide rim. It is a Load Range B, meaning that this tire is compiled of 4 Plys. You should always keep trailer tires inflated to their max pressure. This will insure the sidewall of the tire does not heat up, and result in a blowout. This trailer tire can carry a load of 785 pounds when inflated with 60PSI.
The 4.80X12 Load Range B Bias Ply Trailer Tire is one of the best trailer tires on the market today and is manufactured by Kenda. They are manufactured with the highest of quality for heavy-duty applications and increased tire life. The computer generated tread design in conjunction with a new tread rubber compound provides superior traction in wet or dry conditions. The bias ply tires are continually tested to help ensure a smoother ride while providing additional stability at highway speeds. All Kenda trailer tires are designed to improve handling and enhance the ride characteristics of the towed vehicle.