Compatible with all rear dropouts and derailleurs. Installation is simple.
- Remove the quick release or lock-nut and damaged derailleur hanger
- Place between the dropout and quick release locking bolt or skewer lock-nut
- Align the emergency hanger as close to where the damaged hanger was
- Tighten the quick release and lock-nut
- Adjust the limit screws on the derailleur & modify the cable tension