Parts list: № Number Qty Name Options 1 R207782 4 Weight Kit 205 kg 2 R170746 12 Cap Screw 3 24M7242 12 Washer 21.400 X 42 X 5 mm 4 14M7277 12 Nut M20 Next page: ST776095 Cast Rear Wheels, DW15X38, Rack and Pinion Axle ST776138 Rear Wheels, 16 Position Fixed, DW10X42, 275 Bolt Circle Diameter ST806385 Steel Disk Rear Wheels, 16 Position, W10X52, 275 mm Bolt Circle Diameter ST809608 Rear Wheels, TW18LX38, 275MM Bolt Circle Diameter ST815380 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, 55 kg (121 lb) ST775776 Steel Disk Rear Wheels, Adjustable, 16 Position, W10X50 ST775730 Steel Disk Rear Wheels, 2 Position, W16AX38 ST746570 Steel Disk Rear Wheels, 2 Position, W16AX46, 50 km/h (31 mph) ST746503 Steel Disk Rear Wheels, 2 Position, W16AX46, 40 km/h (25 mph) ST744257 Hub Extension, 219 mm, Rear, Tread Adjustment, Attachment