Leveraging 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.
Sram quality good price great performance and yes you can use a med cage on 1x I am running a 28-42 shifts like a dream and bikesmiths had best price on the web
