[Fulkrum]

First I am hearing of this service.
Can anyone explain what is entailed? What is the flaw in the flange etc?
I put new bearings in mine a couple weeks ago. Maybe I got lucky but it wasn't a terrible job on mine.

 

[Fulkrum]

not sure the technical name for them

I've always called them the Cush Drive. That's what I see them listed as in exploded diagrams as well