Originally Posted by
_ForceD_
When I did “tighten” (clockwise) the adjust nut, it seems to have loosened the rollers, and the resulting threads seemed even shallower. So, I did the opposite…loosened/counterclockwise the adjust nut, and the resultant threads on my test spoke were appropriately deep enough. — Dan
Look at the adjusting thread - you should be able to see that it's tapered, and hence which direction to turn it in order to tighten the rollers.