Parts list: № Number Qty Name Options 1 AL208325 2 Wheel TW20BX42, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST861090 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, 100 kg (220 lb) / 250 kg (551 lb) ST810401 Steel Disk Rear Wheels, 2 Position, TW20BX42, 275 mm Bolt Circle Diameter ST744036 Steel Disk Rear Wheels, 8 Position, DW16X42 ST810402 Steel Disk Rear Wheels, 2 Position, TW18LX42, 275 mm Bolt Circle Diameter ST833882 Steel Disk Rear Wheels, 16 Position, DW12X46, 275 mm Bolt Circle Diameter, W/ Narrow Tread Setting ST775730 Steel Disk Rear Wheels, 2 Position, W16AX38 ST740214 Hub Extension, 94 mm, Front, Tread Adjustment, Attachment ST528620 Valve, Tubeless Tires ST827534 Steel Disk Front Wheels, 2 Position, DW15LX30, 335 mm Bolt Circle Diameter ST744255 Hub Extension, 94 mm, Rear, Tread Adjustment, Attachment