Parts list: № Number Qty Name Options 1 AL227007 2 Wheel TW18LX30, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST1048899 Steel Disk Rear Wheels, 2 Position, TW16LX46, 335 mm Bolt Circle Diameter ST995991 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, 72 kg(159 lb) and 205 kg(452 lb) ST1052623 Steel Disk Rear Wheels, 2 Position, TW23BX38, 335 mm Bolt Circle Diameter ST1021549 Cast Rear Wheel Rims, TW16LX46, Rack and Pinion Axle ST478252 Steel Disk Rear Wheels, 8 Position, DW20BX42 ST827723 Steel Disk Front Wheels, Adjustable, 8 Position, DW18X28, 3 Piece MFWD Axle ST980771 Cast Rear Wheel Disk, Rack and Pinion Axle, 100 mm Diameter, W/ Dual Rear Wheels ST478202 Steel Disk Rear Wheels, 2 Position, TW20BX38