eCustomRim Trailer Tire On Rim ST175/80D13 1758013 B78-13 5 Lug Wheel Aluminum 7-Spoke Tire Weight Rating - 1360 Lbs. Bolt Pattern - 5 Lug on 4.5" Rim Diameter - 13" Tire Load Range - Load Range C = 6 Ply Construction Tire Size - ST175/80D13