Originally Posted by
Yeti35
I skimmed right over the title. Sorry about that. I personally have not had an issue with my hexes, but I don't mash them down when I tighten them on the axle either. Not sure how you are gouging out the slot in the hex where the pin goes.
i thinnk axle pin keep digging in to a hex every time I do side impact or over tighten that Rear right wheel nut (one that get loose all the time)
instead of tighten that nut harder, I ll just just replace that 4mm nuts more often