Parts list: № Number Qty Name Options 1 AL230221 2 Wheel TW25BX42, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST1021568 Cast Rear Wheel Rims, DW12X50, Rack and Pinion Axle ST1052623 Steel Disk Rear Wheels, 2 Position, TW23BX38, 335 mm Bolt Circle Diameter ST954862 Steel Disk Rear Wheels, 2 Position, TW23BX42, 335 mm Bolt Circle Diameter ST478249 Rear Wheels, Adjustable, DW23BX42 ST897966 Steel Disk Rear Wheels, 8 Position, DW20BX38 ST1052616 Steel Disk Rear Wheels, 16 Position, DW10X54, 335 mm Bolt Circle Diameter ST740214 Hub Extension, 94 mm, Front, Tread Adjustment, Attachment ST775724 Steel Disk Rear Wheels, W/ Dual Rear Tires, 2 Position, MW20AX42 / DW20BX42 ST848757 Steel Disk Front Wheels, 2 Position, DW18LX28, 335 mm Bolt Circle Diameter ST976051 Rear Wheel Weights, 2 Weights, Inside Rear Wheel, 205 kg (452 lb)