The SRAM NX Eagle 12 Speed Rear Derailleur features the proven sram 1x-specific x-horizon design.
The larger, 14-tooth x-sync lower pulley easily facilitates 11- to 50- and 10- to 50-tooth cassette capacity, and also adds to nx eagle's overall smooth-pedaling feel. The type-3 roller bearing clutch provides quiet, consistent performance and durability.