Parts list: № Number Qty Name Options 1 AR56632 1 Weight Next page: ST746858 Attachment, Rear Wheel Weights, 110 kg (242.5 lb) ST746905 Steel Disk Rear Wheels, 2 Position, W18AX42 ST762050 Steel Disk Rear Wheels, 16 Position, W10X48, 275 mm Bolt Circle Diameter ST762053 Steel Disk Rear Wheels, 16 Position, DW10X46, 275 mm Bolt Circle Diameter ST775730 Steel Disk Rear Wheels, 2 Position, W16AX38 ST745159 Attachment, Rear Wheel Weights, 1100 kg (2425 lb) ST744257 Hub Extension, 219 mm, Rear, Tread Adjustment, Attachment ST744255 Hub Extension, 94 mm, Rear, Tread Adjustment, Attachment ST744143 Mounting Parts, Rear Wheels, W/ Stud, W/ 8 Spacer, 275 Bolt Circle Diameter ST744036 Steel Disk Rear Wheels, 8 Position, DW16X42