Parts list: № Number Qty Name Options 1 AL233005 2 Rim MW20BX38, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST746570 Steel Disk Rear Wheels, 2 Position, W16AX46, 50 km/h (31 mph) ST1052620 Steel Disk Rear Wheels, 16 Position, DW13X46, 335 mm Bolt Circle Diameter ST827603 Steel Disk Front Wheels, 16 Position, DW10X42 ST762053 Steel Disk Rear Wheels, 16 Position, DW10X46, 275 mm Bolt Circle Diameter ST983287 Steel Disk Rear Wheels, 16 Position, TW18LX42, 275 Bolt Circle Diameter ST721484 Cast Rear Wheel Disk, Rack and Pinion Axle, 814 mm Bolt Circle Diameter ST828884 Steel Disk Front Wheels, 16 Position, W10X32, 335 mm Bolt Circle Diameter ST827634 Steel Disk Front Wheels, 2 Position, W15LX28, 335 mm Bolt Circle Diameter ST68688 Steel Disk Rear Wheel Weight Kit, 55 kg (121 lb) ST744257 Hub Extension, 219 mm, Rear, Tread Adjustment, Attachment