SRAM NX EAGLE 12-SPEED REAR DERAILLEURThe 12-speed revolution has finally come to the SRAM NX line. The SRAM NX Eagle 12-Speed Rear Derailleur is designed to work with the ultra-wide range 11-50t Eagle cassettes. It features SRAM's X-Horizon design and a new Type-3 Roller Bearing Clutch that provides quiet and consistent performance. The Eagle pulley technology provides greater efficiency, crisper shifting, and quieter operation. If you're looking for a robust rear derailleur with the capability to work with an ultra-wide range cassette, then you'll love the SRAM NX Eagle 12-Speed Rear Derailleur. Note: This derailleur is not compatible with SRAM's new 52T cassette. ARTICLE: SRAM NX EAGLE > Features Type-3 Roller Bearing Clutch provides quiet and consistent performance Eagle pulley technology provides greater efficiency and crisper shifting12-speed derailleur with a max tooth of 50 | Sram | Nx Eagle 12-Speed Rear Derailleur Black