Originally Posted by
Marcus_Ti
You rode it while loose. Now the crank taper-receivers are almost certainly damaged and you'll never get it to stay tight again. Doesn't matter if you locktite it or torque it to hell or not.
+1 on this point. I have seen customers who don't believe what I've told them. "I'll weld the dam nut, It won't move after that!" Well it's not that the nut moves but that the arm does via the tapered hole's changing dimensions/shape. Andy