Originally Posted by
AltheCyclist
Hillrider - thanks, .. the split ring that you describe seems to be the problem but it appears to be installed correctly, yet just doesn't want to "fit" down to where it is supposed to. Almost like something is blocking it - I was thinking the seat where it should sit is deformed and thus a replacement headset would fix that - wondering if there's anything else that would be causing the problem?
Any chance you installed one of the bearing cartridges upside down? That would also keep the headset from adjusting properly. If the split ring won't fit correctly that also points to the bearing not being installed in it's proper orientation.