How To Replace A Derailleur Hanger. The reason most non-ferrous bicycles have replaceable derailleur hangers is because hangers can get bent or even broken simply from the bike falling over. Grease up the threads on the derailleur mounting bolt and reconnect the derailleur.
If the hanger was built into the frame and it was badly bent or broken it could mean having to replace the entire frame. As our replacement hanger offerings continue to increase knowing how to quickly find a replacement means less time sourcing a replacement and less time spent getting the repair done. Almost all modern bikes with gears have it.
Then lubricate both the inside and outside of the frame with bike grease.
Firstly prep your bike for the installation of a new derailleur hanger by mounting in a repair stand. Grease up the threads on the derailleur mounting bolt and reconnect the derailleur. Firstly prep your bike for the installation of a new derailleur hanger by mounting in a repair stand. Re-attach the rear derailleur and check derailleur alignment using the following diagram.
