4.80 x 12 Trailer Tire & Spoke Wheel Assembly 4 Bolt Pattern Tire Size: 480-12 Load Range: B Tire Weight Rating: 780 Lbs. Max. Pressure: 60 PSI Bolt Configuration: 4 Lug 4" Center - See diagram for fitment Pre Mounted Bias Ply Tire On Steel Wheel Center Bore: 2.83"