Parts list: № Number Qty Name Options 1 AL207672 2 Wheel TW20BX42, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST957640 Rear Wheels, Fixed, 2 Position, W/ Reinforcement, TW20BX38 ST1024312 Steel Disk Rear Wheels, 16 Position, TW18LX42, 275 mm Bolt Circle Diameter ST950685 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, W/ Guide Pin, 250 kg (551 lb), Attachment ST1021549 Cast Rear Wheel Rims, TW16LX46, Rack and Pinion Axle ST957617 Steel Disk Rear Wheels, 2 Position, TW18LX38, W/ Reinforcement ST1018252 Steel Disk Rear Wheels, 16 Position, TW20BX38 ST978034 Hub Extension, 60 mm, Front, Tread Adjustment, Attachment ST1021644 Cast Rear Wheel Rims, MW20BX38, Rack and Pinion Axle, 814 mm Bolt Circle Diameter ST1021539 Cast Rear Wheel Rims, TW18LX42, Rack and Pinion Axle, 814 Bolt Circle Diameter ST810402 Steel Disk Rear Wheels, 2 Position, TW18LX42, 275 mm Bolt Circle Diameter