20 Inch Diameter x 12 Inch Width; 6 x 135 Millimeter/ 6 x 5.31 Inch/ 6 x 139.7 Millimeter/ 6 x 5.50 Inch Bolt Patterns; -51 Millimeter Offset; 4.50 Inch Backspacing; 60 Degree Conical Seat Lug; 87.10 Millimeter Center Bore; 8 Spoke; 1 Piece Cast Aluminum Construction; Painted; Gloss Black With Machined Groove; 2500 Pound Load Capacity; Compatible With TPMS (Tire Pressure Monitoring System); 42 Inch Max Tire Diameter; With RBP Logo Center Cap; Single