The SRAM GX Eagle 12-speed rear derailleur seamlessly shifts all 12 gears of the Eagle drivetrain without noisy chain slap or annoying ghost shifts , preventing you from moving along the highway. GX Eagle 12-speed rear derailleur borrowing switching technology from its more expensive XO1 brother represents a low-cost alternative which retains SRAM's X-Sync 14-tooth lower pulley system X-Horizon parallelogram design and Type 3 roller bearing clutch. And most importantly , it is fully compatible with Eagle XO1 and XX1 transmissions giving you an affordable replacement in the event of a catastrophic accident.

Instead of forged aluminum frame and titanium spring , like on XO1 The GX 12-speed rear derailleur uses a traditional aluminum frame with steel spring as an economical alternative without sacrificing durability albeit with a slight weight gain. Developing proprietary SRAM technologies 14-tooth X-Sync lower pulley accommodates a large 10-50 tooth cassette installed on Eagle. For quiet operation, the Type-3 roller bearing clutch eliminates derailleur bounce and chain slap when riding on challenging trails.. Plus, it features SRAM's X-Horizon design which limits the horizontal movement of the switch which contributes to false gear shifting as well as X-Actuation for precise shifting of your 1x transmission.