About SRAM GX Eagle Rear Derailleur Pulleys & Inner Cage Kit
Genuine SRAM Pulley and Inner Cage Kit to rebuild your SRAM GX Eagle rear derailleur. This allows you to replace and repair your derailleur and get your old damaged derailleur back into operation. These Pulleys must be installed in correct positions: lower pulley is larger than the upper pulley.

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.