The SRAM UDH universal derailleur hanger combines the many hanger options available on the market into one. Its design allows the derailleur to pivot back out of the way in the event of a chain dropout, smoothly snapping back into place after impacts. It optimizes shifting performance, ensures precise alignment, and is compatible with all drivetrains. Plus, replacements are easy to find at any retailer. The UDH is a tough, reliable hanger. Characteristics The Universal Derailleur Hanger (UDH) unifies thousands of mountain bike derailleur hanger standards. Provides unparalleled shifting protection and ensures precise alignment. Designed to rotate backwards in the event of an impact and capable of realigning the chain to the small sprocket automatically. Compatible with all MTB and E-MTB transmissions on the market, including Shimano, Box and Sunrace. Delivery - 1 x UDH derailleur hanger (without box packaging). Manufacturer's item number: 00.7918.089.000