18 Inch Diameter x 8.5 Inch Width; 5 x 112 Millimeter/ 5 x 4.40 Inch/ 5 x 114.3 Millimeter/ 5 x 4.50 Inch Bolt Patterns; 45 Millimeter Offset; 6.52 Inch Backspacing; 60 Degree Conical Seat Lug; 72.70 Millimeter Center Bore; 18 Spoke; 1 Piece Cast Aluminum Construction; Gloss Silver; 1600 Pound Load Capacity; Compatible With TPMS (Tire Pressure Monitoring System); 33.7 Inch Max Tire Diameter; With Rotiform Logo Center Cap; Single