Originally Posted by Jeff Wills

Yes, New Winner. There is genuine cone and locknut on the bearings, making it possible to adjust the bearings easily and precisely. I used to overhaul and adjust mine just for fun.

Yellow Jersey may still have replacement cogs: Suntour Freewheels at Yellow Jersey You have to call them to find out if they have what you need.

Removing the freewheel from the hub will be tough. Normally you'd retain the freewheel tool with the QR skewer to loosen it the first thread or so but with part of the axle missing that may not work. Good luck.