Parts list: № Number Qty Name Options 1 R339739 2 Hub 425 mm Bolt Circle 2 R163388 2 Extension 3 19M7779 12 Cap Screw M20 X 240 4 19M7778 8 Cap Screw M20 X 220 5 24M7242 40 Washer 21.400 X 42 X 5 mm 6 RE343213 2 Adapter Fitting INCLUDES P47889 7 P47889 2 O-Ring 8 BRE10132 1 Extension Kit Next page: ST960828 Dual Rear Wheel, 16 Position, Group 47 Tires, RH Illustrated ST956192 Dual Wheel Hub, Double Tapered, 120 mm Axle (RH Illustrated) ST785767 Attachment, Hub Extension, 10" Heavy Duty Dual Hub ST935316 Front Wheel, 8 Position, Group 42 Tires, LH Illustrated ST1037027 Dual Front Wheel, 8 Position, Group 43, RH Illustrated (200001 - ) ST1036974 Dual Rear Wheel, 2 Position, Group 49, LH Illustrated (200001 - ) ST1036966 Rear Wheel, 2 Position, Group 48 Tires, LH Illustrated (200001 - ) ST956148 Dual Wheel Hub, Double Tapered, 110 mm Axle ST1046488 Rear Wheel, 2 Position, Group 48 Tires (LH Illustrated) (200001 - ) ST1017082 Rear Wheel, 2 Position, Group 47 Tires (RH Illustrated)