Originally Posted by
greg3rd48
[MENTION=181007]HamboneSlim[/MENTION] I did not realize that the parts are interchangeable. So I can take the mounting part from one of the originals and put it on the long cage RD? So the one to attempt this with would be the black/gold one not the all metal LX630? Thanks!
Probably. The tabbed washer requires a stop on the derailleur body. The black and gold one appears to have that stop in the pictures.
Not all parts on all Simplex models are interchangeable, but I'd bet those you have are.