Parts list: № Number Qty Name Options 1 AL233053 2 Wheel TW18LX42, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST970721 Steel Disk Rear Wheels, 2 Position, W10X48 ST950671 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, W/ Guide Pin, 100 kg (220 lb) ST794893 Steel Disk Rear Wheels, Adjustable, 16 Position, DW13X46 ST1024351 Steel Disk Rear Wheels, 16 Position, TW23BX38, 275 mm Bolt Circle Diameter ST925422 Rear Wheel Mountings, Rack and Pinion Axle ST995991 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, 72 kg(159 lb) and 205 kg(452 lb) ST992261 Steel Disk Front Wheels, 16 Position, TW16LX24, 335 mm Bolt Circle Diameter ST983280 Steel Disk Rear Wheels, 16 Position, TW20BX42, 275 Bolt Circle Diameter ST1021536 Cast Rear Wheel Rims, W16LX38, Rack and Pinion Axle ST1021538 Cast Rear Wheel Rims, W18LX38, Rack and Pinion Axle