Parts list: № Number Qty Name Options 1 AL207672 2 Wheel TW20BX42, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST744251 Hub Extension, 219 mm, Front, Tread Adjustment, Attachment ST971278 Steel Disk Rear Wheels, 2 Position, TW18LX38, 275 mm Bolt Circle Diameter ST979115 Hub Extension, 94 mm, Rear, Tread Adjustment, Attachment ST708307 Rear Wheel, Fixed, DW18LX38 ST1052617 Steel Disk Rear Wheels, 16 Position, DW10X50, 275 mm Bolt Circle Diameter ST827611 Steel Disk Front Wheels, 2 Position, DW18LX30 ST776127 Cast Rear Wheel Hub, Rack and Pinion Axle, 275 mm Bolt Circle Diameter ST827612 Steel Disk Front Wheels, 2 Position, DW18LX28 ST478252 Steel Disk Rear Wheels, 8 Position, DW20BX42 ST528620 Valve, Tubeless Tires