About SRAM NX Eagle Rear Derailleur
This new NX Eagle™ derailleur features the proven SRAM 1x-specific X-HORIZON™ design. The larger, 14-tooth X-SYNC™ lower pulley easily facilitates 11- to 50- and 10- to 50-tooth cassette capacity, and also adds to NX Eagle's overall smooth-pedaling feel. The Type-3 ROLLER BEARING CLUTCH™ provides quiet, consistent performance and durability.

Features
Completely new rear derailleur incorporating SRAM's proven X-HORIZON™ design and new Type-3 ROLLER BEARING CLUTCH™ technology.

Eagle™ ecosystem-engineered mounting system and CAGE LOCK™ positioning add robustness.

Eagle™ pulley technology provides greater efficiency, crisper shifting and quieter operation.

Technology
Cage Lock: With CAGE LOCK technology in the rear derailleur, wheel removal and installation—as well as chain installation—becomes faster and simpler. Just push the cage forward to create slack and lock it into place.

Roller Bearing Clutch: ROLLER BEARING CLUTCH technology eliminates derailleur bounce and chain slap without sacrificing precision.

X-Actuation: Developed specifically for SRAM 1x, X-ACTUATION keeps shifting sharp and consistent across the entire cassette.

Specifications
Cage (RD): Long

Cable Pull Ratio: X-actuation

Speed (RD): 12s

Colour (RD): Black

Cage Material (RD): Steel

Pulley Bearings Material: Steel

Max Tooth: 50

Weight: 339g

About SRAM
Founded in 1987, SRAM (an acronym of the 3 founders names, Scott, Ray and Sam) is a privately owned bicycle component manufacturer located in Chicago. They're known for developing many of the inovative technologies used in bikes today including ETAP wireless electric shifting, Grip Shift, dedicated single chain ring drivetrains, narrow wide chainrings and more. Sram also own bicycle component brands Rockshox, Quarq, Zipp and Truvativ.