It improves shifting performance, guarantees better alignment, and works with all drivetrains. Plus, if you ever need replacement, it will be available everywhere. The UDH. One hard-working hanger.

-The Universal Derailleur Hanger – or UDH – consolidates thousands of mountain bike derailleur standards.
-It offers unparalleled derailleur protection. And perfect alignment. Guaranteed.
-The UDH is designed to rotate rearward in the event of impact and features the ability to “re-rail” the chain back onto the small cog.
-The UDH works with all commercially available MTB and E-MTB drivetrains from Shimano to Box to Sunrace.