Leveraging the legendary history of SRAM shifting, the GX 1x11 rear derailleur provides incredible shifting speed and precision
-X-HORIZON design reduces shift force, ghost shifting and chain slap
-12-tooth X-SYNC pulley wheels
-Large upper pulley offset automatically adjusts chain gap
-Sealed cartridge bearings
-10-42t wide range cassette compatible
-Speeds: 11-speed
-Material: Aluminum cage
-Compatibility: 1x11 X-ACTUATION
-Cage Size: Long
-Max Tooth: 42t
-Technology Highlights: X-HORIZON, X-ACTUATION, X-SYNC, ROLLER BEARING CLUTCH, CAGE LOCK
-Weight: 265 g.
-Color: Black/Red, or Black/Black