How to insert fork ring tightly? I try to insert back the fork in my bicycle. When I was removing it, after unscrewing everything the fork didn't come off by itself, I had to pry and remove aluminium ring which was the last element holding fork in place. Ok, so far so good, I am putting everything back now and the question is how to insert this ring tightly so it would hold fork in place exactly like before?



This is GCN video which has pretty much the same elements: How To Change Your Road Bike Headset and Forks however note they slid down this ring (silver one, exactly as I set the time at) without inserting it tightly so there is space visible and the fork would fall off if not held from the bottom.

Prying it off was quite easy, because I could do this in one point (gap in the ring) but now, when inserting when I try to push it down in one place the opposite side goes up.
The part is called centering sleeve. The easiest way to install it is leaving it to the place where it is shown on the screen shot, then pushing it down with a headset spacer as far as it will go and finally installing the dust cap and pushing with it.

It is not supposed support any load, even if it accidentally did with the old fork. Instead, the bearings are adjusted with the headset cap and held in place by clamping the stem around steerer tube.