Parts list: № Number Qty Name Options 1 AL207672 2 Wheel TW20BX42, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST992266 Steel Disk Front Wheels, 2 Position, TW18LX28, 335 mm Bolt Circle Diameter ST1018252 Steel Disk Rear Wheels, 16 Position, TW20BX38 ST1021549 Cast Rear Wheel Rims, TW16LX46, Rack and Pinion Axle ST950685 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, W/ Guide Pin, 250 kg (551 lb), Attachment ST478214 Steel Disk Rear Wheels, 2 Position, TW23BX38 ST1021536 Cast Rear Wheel Rims, W16LX38, Rack and Pinion Axle ST478246 Steel Disk Rear Wheels, 8 Position, DD16LX46 ST1021544 Cast Rear Wheel Rims, TW20BX42, Rack and Pinion Axle ST978034 Hub Extension, 60 mm, Front, Tread Adjustment, Attachment ST977964 Mounting Parts, Rear Wheels, W/ Rear Wheel Reinforcement, 203 mm Bolt Circle Diameter, Attachment