Parts list: № Number Qty Name Options 1 AL230221 2 Wheel TW25BX42, For Tire Size Refer to Tire Manual of Manufacturer Next page: ST590899 Steel Disk Rear Wheels, 2 Position, TW23BX38, 335 mm Bolt Circle Diameter, W/ Reinforcement ST478261 Mounting Parts, Front Wheels ST709296 Steel Disk Rear Wheels, 2 Position, TW18LX42, W/ Reinforcement ST964590 Steel Disk Rear Wheels, 2 Position, TW23BX38, 335 mm Bolt Circle Diameter ST955290 Steel Disk Front Wheels, 2 Position, DW20BX28, 335 mm Bolt Circle Diameter ST827602 Steel Disk Front Wheels, 16 Position, DW12X30, 335 mm Bolt Circle Diameter ST950680 Rear Wheel Weights, 4 Weights, Outside Rear Wheel, W/ Guide Pin, 250 kg (551 lb) ST971278 Steel Disk Rear Wheels, 2 Position, TW18LX38, 275 mm Bolt Circle Diameter ST945705 Steel Rear Wheels, Adjustable, 16 Position, TW15LX38, 275 mm Bolt Circle Diameter ST709297 Steel Disk Rear Wheels, 2 Position, TW20BX42, 275 mm Bolt Circle Diameter, W/ Reinforcement