SRAM Rear Derailleur GX Type 2.1 2x10-Speed Medium Cage

SRAM Rear Derailleur GX Type 2.1 2x10-Speed Medium CageLeveraging the legendary history of SRAM shifting, the GX 2x10 rear derailleur provides incredible shifting speed and precision. EXACT 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.MODEL ID: RD-GX-T21-A1 - EXACT ACTUATION for precise and dependable 10-speed performance - TYPE 2.1 technologies: ROLLER BEARING CLUTCH and CAGE LOCK (also available without TYPE 2.1 configurations) - Cage length: Medium