Parts list: № Number Qty Name Options 1 AL118449 2 Wheel W15LX28, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST821838 Steel Disk Rear Wheels, 16 Position, TW15LX30, 203 mm Bolt Circle Diameter ST926755 Hub Extension, 111 mm, Rear, Tread Adjustment, Attachment ST708248 Mounting Parts, Rear Wheels, Rack and Pinion Axle, 86 mm Diameter ST970739 Steel Disk Front Wheels, 2 Position, TW16LX24, 275 mm Bolt Circle Diameter ST538501 Mounting Parts, Front Wheels, 2WD ST950675 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, W/ Guide Pin, 100 kg (220 lb) / 250 kg (551 lb) ST843735 Steel Disk Front Wheels, 16 Position, W10X28 ST709633 Steel Disk Front Wheels, 16 Position, W15LX24 ST840001 Cast Rear Wheel Rims, W16LX38, Rack and Pinion Axle ST979115 Hub Extension, 94 mm, Rear, Tread Adjustment, Attachment