Parts list: № Number Qty Name Options 1 L28228 2 Weight 55 kg (120 lb), Use Spherical Spring Washers (12M7044) between Wheel Weight and Wheel Disk (L226535) 1 L28230 2 Weight 38.5 kg (85 lb), Use Spherical Spring Washers (12M7044) between Wheel Weight and Wheel Disk (L226535) Next page: ST821831 Steel Disk Rear Wheels, 16 Position, TW15LX38, 203 mm Bolt Circle Diameter ST977964 Mounting Parts, Rear Wheels, W/ Rear Wheel Reinforcement, 203 mm Bolt Circle Diameter, Attachment ST994194 Cast Rear Wheels, TW18X34, Rack and Pinion Axle, 686 mm Bolt Circle Diameter ST709662 Steel Disk Front Wheels, 2 Position, W10X28, 275 mm Bolt Circle Diameter ST855622 Steel Disk Front Wheels, 2 Position, W8LX16 ST855595 Rear Wheels, TW18LX38, 275MM Bolt Circle Diameter ST709337 Steel Disk Rear Wheels, Adjustable, 16 Position, TW18LX34 ST997212 Steel Disk Rear Wheels, 2 Position, TW18LX34, 275 mm Bolt Circle Diameter ST843735 Steel Disk Front Wheels, 16 Position, W10X28 ST994195 Steel Disk Rear Wheels, 16 Position, TW18LX38, 203 mm Bolt Circle Diameter