The drill is screaming!

A customer brought me the front wheel from a Cosmic Elite.
The rim weld had come loose and was making noise.


On the opposite side of the valve—the rim joint and the rim hole next to it.


There were traces of adhesive applied around the rim hole.
When I shake the rim it makes noise, and the cause was


The crimp at the rim joint had come loose and was moving around.
It only slides within a certain range—it doesn't come out any further.
Some shop apparently told the customer "there's nothing we can do,"
but fortunately they weren't the original seller, so no name and shame needed—
if they had been the purchase shop, I'd be calling them out by name.

After getting the customer's approval to modify the rim,

I extended the joint to its maximum and went at the rim with the drill—whirrrrr.


With an M3 tap


I cut the threads.


Even in this state, it still slides.


↑Looks kind of like a moon phase.


I could have used a set screw, but instead I countersunk the rim for a countersunk screw and secured it that way.
The screw head sits roughly flush with the rim surface.
Needless to say, the rattling noise is gone.


I applied rim tape.
In the image above, the screw head is around the 622 mark on the right,
but you can't see it visually.