Parts list: № Number Qty Name Options 1 AL214650 2 Wheel DW20BX28, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST726782 Mounting Parts, Rear Wheels, Flange Axle, 275 mm Bolt Circle Diameter ST775730 Steel Disk Rear Wheels, 2 Position, W16AX38 ST827626 Steel Disk Front Wheels, 2 Position, W15LX24, 335 mm Bolt Circle Diameter ST775732 Steel Disk Rear Wheels, 2 Position, DW16LX42 ST895139 Steel Disk Rear Wheels, 16 Position, TW18LX38, 275 mm Bolt Circle Diameter ST709293 Rear Wheels, DW15LX30 ST981368 Cast Rear Wheels, MW23AX38, Rack and Pinion Axle, 50 km/h (31 mph) ST478210 Steel Disk Rear Wheels, 2 Position, TW20BX42, 335 mm Bolt Circle Diameter ST895152 Steel Disk Rear Wheels, 16 Position, DW20BX38, 275 mm Bolt Circle Diameter ST861095 Mounting Parts, Rear Wheel Weight Adaptor, W/ Screws, 275 Bolt Circle Diameter