Parts list: № Number Qty Name Options 1 AL207671 2 Wheel TW23BX42, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST478212 Steel Disk Rear Wheels, 2 Position, TW18LX42, 335 mm Bolt Circle Diameter ST478246 Steel Disk Rear Wheels, 8 Position, DD16LX46 ST478254 Steel Disk Rear Wheels, 8 Position, DW18LX42 ST478257 Steel Disk Rear Wheels, 8 Position, DW23BX38 ST590894 Steel Disk Rear Wheels, 2 Position, TW20BX42, 335 mm Bolt Circle Diameter, W/ Reinforcement ST172976 Steel Disk Rear Wheel Weights, 55 kg (121 lb) ST1053473 Wheel ST1052780 Cast Rear Wheels, TW23BX42, Rack and Pinion Axle ST1052616 Steel Disk Rear Wheels, 16 Position, DW10X54, 335 mm Bolt Circle Diameter ST1052514 Steel Disk Rear Wheels, 2 Position, TW25BX42, 335 mm Bolt Circle Diameter