View Single Post
Old 07-20-2023, 01:28 PM   #16 (permalink)
Grant-53
Master EcoModder
 
Join Date: Feb 2010
Location: Elmira, NY
Posts: 1,791
Thanks: 320
Thanked 361 Times in 300 Posts
I am a retired engineering tech. I own several devices similar in appearance to this. They are commonly called internal gear hubs. The vocabulary used is without meaning.
  Reply With Quote