How To Bend Rear Derailleur Hanger. Older steel frames could have permanent dropouts which is strong as frame and are not replaceable. First youll need to unscrew the rear derailleur and let it dangle then screw in the tool.
That looks like the derailleur is somehow bent and not the cage. The threads in the derailleur hanger are thin and easily damaged. This pushes the derailleur body inward bending the hanger.
That looks like the derailleur is somehow bent and not the cage.
Tighten the nuts with a adjustable wrench so theres no play when your going to apply force to bend the derailleur hanger into the right position. Whatever you do dont grab on to your derailleur and pull on it to straighten out the derailleur hanger. Its pretty easy to bend the derailleur hanger when you fall over to the right side. Almost all modern bikes with gears have it.
