Parts list: № Number Qty Name Options 1 BL16146 1 Mounting Parts Next page: ST744257 Hub Extension, 219 mm, Rear, Tread Adjustment, Attachment ST806385 Steel Disk Rear Wheels, 16 Position, W10X52, 275 mm Bolt Circle Diameter ST827834 Steel Disk Front Wheels, 8 Position, DW18LX30, 335 mm Bolt Circle Diameter ST775725 Steel Disk Rear Wheels, 2 Position, W16AX42 ST709647 Rear Wheel Weights, 2 Weights, Inside Rear Wheel, W/ Reinforcement, 55 kg (121 lb) ST845776 Cast Rear Wheels, DW16LX42, Rack and Pinion Axle ST806383 Steel Disk Rear Wheels, 16 Position, W12X48, 275 mm Bolt Circle Diameter ST861090 Rear Wheel Weights, 2 Weights, Outside Rear Wheel, 100 kg (220 lb) / 250 kg (551 lb) ST744251 Hub Extension, 219 mm, Front, Tread Adjustment, Attachment ST746570 Steel Disk Rear Wheels, 2 Position, W16AX46, 50 km/h (31 mph)