DA wheels cutting tubes
 

Anyone else having this problem of the wheel cutting into the stem? I guess I will have to try
cutting more radius in the stem hole. Not using the nut.

I doubt it's the radious, but a rough edge. See if you can't smooth it a bit with a small hobby file.

It's only aluminum, use a razor blade and cut a chamfer into the inside of the hole.

I had the same problem with my Ksyriums, a bit of filing to smooth out the sharp edge and some emery cloth to take off the burrs and no problems since.

T.J.