Originally Posted by
tsais
You will need a M3x5mm (pitch 0.5mm) setscrew for the rear hub, because the one you have is for plastic parts. I hope this helps.
It does help, thank you. That would have been the most cost effective fix, that's for sure. I did tap the hole and made them 4mm and bought tap screws that fit and blue loctited them, so I'm good....