SRAM GX Short Cage Rear Derailleur [Speed: 10] [Colour: Black]

SRAM GX rear derailleur takes the place of X.9 and X.7 10-speed models and provides shifting speed and precision.

Features:

• Exact Actuation technology eliminates slop and shifting variation
• Roller Bearing Clutch delivers maximum drivetrain stability even through the most punishing terrain