Originally Posted by
top506
So, it looks like the previous owner of my PX-10 went ahead and tapped out the hanger to accommodate a larger thread (for a shimano derailleur)
I am trying to get the bike back to an "all French" status, and the simplex derailleur i got for it is too small for the threads.
basically, I'm boned, right? unless i want to use the adaptor claw.... which wont attach permanently
sigh.