Joined: Mar 2012
Posts: 546
Likes: 200
From: Baltimore, MD
Bikes: Vilano Urbana, DownTube FS9, Montaque paratrooper, Nano mini-velo, Motobecane CX, Raleigh 20, MIFA folder, ROG Pony, Iverson Grand Touring folder, Exclusiv German folder
If it's a removable derailleur hanger. Take it off and hammer it flat.
I have done that and it worked. I also ordered a new one.