Originally Posted by
soma5
Let's rule out the simple stuff first before replacing wheels. Make sure that the hubs are adjusted properly. Wiggle the wheel side-to-side while it is on the bike (and you are off it, of course). If there is motion then adjust the hub or have it done.
this is good advice and i do believe these hubs have standard bearings. it is very possible its just a simple adjustment. i just have my doubts that 16/20h wheels will make the OP happy.