16. 6140500302200 - Driving sprocket

17. 6140500301000 - Sprocket fixing plate

25. 6140210304700 - Ball bearing

26. 6140210304800 - Ball bearing

27. 6140210304900 - Ball bearing

28. 6140250132081 - Hexagon headed bolt

29. 6140100302300 - Five-gear spindle assembly

30. 6140100333000 - Five-stage extended axle assembly

31. 6140210308000 - Needle bearing