Parts list: № Number Qty Name Options 1 AL156778 1 Extension (Bolt Circle Diameter = 275 mm) Next page: ST763581 Front Wheels, 8 Position, DW12X28 ST857435 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, 250 kg (551 lb) ST708329 Steel Disk Rear Wheels, 2 Position, DW15LX38, 203 mm Bolt Circle Diameter ST709664 Steel Disk Front Wheels, 2 Position, W12X24, 275 mm Bolt Circle Diameter ST709635 Front Wheels, 16 Position, W12X28 ST762751 Attachment, Hub Extension 111 mm, Rear ST762045 Steel Disk Front Wheels, 16 Position, W10X32, 275 mm Bolt Circle Diameter ST709311 Steel Disk Rear Wheels, 16 Position, DW12X38, 203 mm Bolt Circle Diameter ST864984 Rear Wheel Reinforcement Plate, OD 475 mm ST885957 Mounting Parts, Rear Wheels, Flange Axle, 203 mm Bolt Circle Diameter, W/ Rear Wheel Weight Adaptor