Parts list: № Number Qty Name Options 1 AL225064 2 Wheel DW15LX38, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST994192 Cast Rear Wheels, TW18X38, Rack and Pinion Axle, 787 mm Bolt Circle Diameter ST775963 Rear Wheel Weights, 4 Weights, Outside Rear Wheel, 205 kg (452 lb) ST994193 Steel Disk Rear Wheels, 2 Position, TW18LX34, 203 mm Bolt Circle Diameter ST1018252 Steel Disk Rear Wheels, 16 Position, TW20BX38 ST813002 Hub Extension, 30 mm, Rear, Tread Adjustment, Attachment ST970744 Steel Disk Front Wheels, 16 Position, TW16LX24, 275 mm Bolt Circle Diameter ST806194 Steel Disk Front Wheels, 16 Position, DW12X38, 275 mm Bolt Circle Diameter ST831265 Steel Disk Front Wheels, 2 Position, 8LBX15 ST744251 Hub Extension, 219 mm, Front, Tread Adjustment, Attachment ST970259 Mounting Parts, Rear Wheels, Rack and Pinion Axle, 79 mm Diameter