Parts list: № Number Qty Name Options 1 AL233081 2 Rim TW23BX42 For Tire Size Refer to Tire Manual of Manufacturer Next page: ST478198 Cast Rear Wheel Hub, Rack and Pinion Axle ST478212 Steel Disk Rear Wheels, 2 Position, TW18LX42, 335 mm Bolt Circle Diameter ST478246 Steel Disk Rear Wheels, 8 Position, DD16LX46 ST590893 Mounting Parts, Rear Wheels, Heavy Duty Version ST590896 Rear Wheel, Fixed, Heavy Duty, TW23BX42 ST1052771 Rear Wheels, 2 Position, DW12X54 ST1052769 Cast Rear Wheels, DW12X54, Rack and Pinion Axle ST1052765 Cast Rear Wheel Rims, MW23BX38, Rack and Pinion Axle ST1052623 Steel Disk Rear Wheels, 2 Position, TW23BX38, 335 mm Bolt Circle Diameter ST1052621 Steel Disk Rear Wheels, 2 Position, TW20BX42, 335 mm Bolt Circle Diameter