SRAM GX Rear Derailleur - 11 Speed, Long Cage, Black, 2x, With Clutch

GX derailleurs share the key features of higher-priced models and are available for 1x11 and 2x11 drive trains. For 2x11 speed drivetrains 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 Color: Black Largest Cog: 42 Rear Derailleur Mount Type: 10x1 Standard Chain Wrap Capacity (teeth): 46 Cage Length: Long Rear Der/Shifter Compatibility: SRAM X-Actuation Drivetrain Speeds: 11 Weight: 289