Sram Universal Derailleur Hanger

The UDH is designed to optimize shift performance across all bikes as well as create a sensible solution for replacing damaged hangers. The UDH has been widely adopted throughout the cycling industry with hundreds of models already featuring it.

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- 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.