GX 1x11 Type 2.1 Rear Derailleur

Leveraging the legendary history of SRAM shifting, the GX 1x11 rear derailleur provides incredible shifting speed and precision. X-ACTUATION™ technology eliminates slop and shifting variation. ROLLER BEARING CLUTCH™ technology delivers maximum drivetrain stability—even through the most punishing terrain. And with CAGE LOCK™ technology, wheel removal and installation are easier than ever.