Originally Posted by
roadfix
In that case the wigglejiggle will go away when you install the stem and set headset preload.
+1
Threadless systems aren't the same as threaded systems. Once you remove the stem the headset is no longer adjusted anymore.
I would like a non blurry picture of the top of the steerer/headtube area. It certainly does look like a threadless fork to me and not an adapter.