The SRAM NX Eagle 12-speed rear derailleur delivers precise and reliable shifting for mountain biking enthusiasts. Engineered for durability and smooth performance, it efficiently manages wide-range cassettes, enhancing gear transitions on challenging terrains. Designed for expert riders, this derailleur offers consistent tension and improved chain retention, ensuring optimal drivetrain function during aggressive rides. Perfect for upgrading your 12-speed Eagle setup with robust construction and advanced technology.