Originally Posted by
auchencrow
Please DO NOT damage that Simplex derailleur hanger.
If you don't like the current DR , Simplex made some better ones.
Does the backside of your hanger look like this one? I wanted to install a Suntour V GT as well but not at the expense of altering my PX10 frame.

yes-the same/not willing to spend crazy amounts for an old criterium (which I already have and am trying to replace) Suntour functions better