SRAM GX 2x11 Speed Long Cage Rear Derailleur Black

Roller bearing clutch in the pulley cage pivot for better chain control
Type 3 roller bearing clutch delivers maximum drivetrain stability, even through the most punishing terrain
X-ACTUATION technology eliminates slop and shifting variation
Cage Lock mechanism for easy wheel changes
Aluminum cage and steel pulleys
0.41 kilograms