Thanks for that! I'm already drilled and tapped for 4-40, and a new outer hub is at least $30. Going to get those rings to work by widening the notch for 4-40.RC10resto wrote: ↑Sun Jun 02, 2024 1:56 pm Not sure if this will help you?
https://www.rc10talk.com/viewtopic.php?t=49515
![Image](https://i.imgur.com/D67MnXM.jpg)