Originally Posted by
cyccommute
If you are worried about tube herniation, use two nuts. One on the under the rim and one on top. If you use two stepped ones, the stem should be locked in place even better.
Ah. Now this is a low cost solution. If a presta nut under the rim isn't a risk, then I will use that. I may also pick up a few 010 and 108 o-rings to see if either of those work.
Would small tube movements in the tube rub a hole on the knurled edge of the presta nut? Am I overthinking it?