Leveraging the legendary history of SRAM shifting, the GX 2x11 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.
| Speed (RD) | 11s | 
|---|---|
| Cable pull ratio | X-actuation | 
| Cage (RD) | Long, Medium | 
| Max tooth | 42 | 
| Color (RD) | Black, Red | 
| Pulley bearings material | Steel | 
| Cage material (RD) | Aluminum | 
| Weight (g) | 289 | 
| Weight Based On | RD 2x11 Long Cage Black |