SRAM NX Rear Derailleur - 11 Speed, Long Cage, Black

The SRAM GX group brings 11-speed drivetrains to the huddled masses with much of the technology from its higher end offerings. The GX1 1x11 Rear Derailleur is compatible with SRAM’s huge 10-42 11-speed cassette, as well, for the widest range of gears avai