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