TheSRAM GX 2x10 Speed Rear Derailleurenhances your performance through shifting so smooth and responsive it feels like an extension of your fingers. ThisSRAM Rear Derailleuris primed for off-road shifting, delivering maximum stability on any terrain through expertly designed innovations and precision engineering. Exact Actuation and Roller Bearing Clutch technology increase the stability and balance of shifting components for smooth shifting in any condition, eliminating chain slap and bounce for increased responses. TheGX Derailleuralso features the Direct Route innovation which routes the cable directly to the actuation mechanism, resulting in less friction, effort and more power. Cage Lock makes wheel removal and installation a cinch, saving precious time on the trails and the whole package is crafted from lightweight, bombproof materials to promote performance and longevity. Ride smooth and shift sharp with theSRAM GX 2x10 Speed Rear Derailleur! SRAM GX 2x10 Speed Rear Derailleur 10-speed with 2x10 compatibility Aluminium cage available in Long, Medium or Short Maximum tooth: 36 Technologies: Exact Actuation, Direct Route, Roller Bearing Clutch and Cage Lock