Parts list: № Number Qty Name Options 1 AL225069 2 Wheel W10X48, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST970728 Steel Disk Rear Wheels, 16 Position, TW18LX34, 203 mm Bolt Circle Diameter ST971055 Steel Disk Rear Wheels, 16 Position, DW10X42, 275 mm Bolt Circle Diameter ST977964 Mounting Parts, Rear Wheels, W/ Rear Wheel Reinforcement, 203 mm Bolt Circle Diameter, Attachment ST979115 Hub Extension, 94 mm, Rear, Tread Adjustment, Attachment ST994192 Cast Rear Wheels, TW18X38, Rack and Pinion Axle, 787 mm Bolt Circle Diameter ST970707 Steel Disk Rear Wheels, 2 Position, DW15LX38 ST970623 Mounting Parts, Rear Wheels, Rack and Pinion Axle, 86 mm Diameter, W/ Rear Wheel Weight Adaptor ST970294 Mounting Parts, Rear Wheels, Flange Axle, 275 mm Bolt Circle Diameter, W/ Rear Wheel Weight Adaptor ST957617 Steel Disk Rear Wheels, 2 Position, TW18LX38, W/ Reinforcement ST950675 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, W/ Guide Pin, 100 kg (220 lb) / 250 kg (551 lb)