Parts list: № Number Qty Name Options 1 AL222958 2 Rim DW20BX38, For Tire Size Refer to Tire Manual of Manufacturer, ORDER AL231967 2 L220800 2 Wheel Center 3 L205946 16 Spacer 4 L115345 16 Bolt 5 L157352 16 Washer 6 L172445 16 Nut Next page: ST744255 Hub Extension, 94 mm, Rear, Tread Adjustment, Attachment ST1019781 Steel Disk Rear Wheels, 2 Position, DW18LX38, 335 Bolt Circle Diameter ST976051 Rear Wheel Weights, 2 Weights, Inside Rear Wheel, 205 kg (452 lb) ST857408 Rear Wheel Weight Mounting Parts, Adapter 275 mm Bolt Circle Diameter ST726782 Mounting Parts, Rear Wheels, Flange Axle, 275 mm Bolt Circle Diameter ST994196 Cast Rear Wheel Rims, W20LX38, Rack and Pinion Axle, 814 mm Bolt Circle Diameter ST827634 Steel Disk Front Wheels, 2 Position, W15LX28, 335 mm Bolt Circle Diameter ST976052 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, 205 kg (452 lb) ST995991 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, 72 kg(159 lb) and 205 kg(452 lb) ST727434 Mounting Parts, Rear Wheels, W/ Spacer LGTH= 52mm