st235-75r15 tires

The “ST” in ST23/75R15 denotes Special Trailer, and tires in this size are designed for light trailers such as campers, toy haulers, boat trailers, and similar applications. Trailer tires need to be able to deliver long wear and wet or dry traction; remember that these tires are designed for the forces and loads of trailers, and shouldn’t be used for vehicles.