Sram GX Eagle 12s X-Sync Derailleur Pulleys

SRAM GX Eagle Upgrade Kit 1x12

12T 14T 12 Speed Bicycle Mountain Bike Pulley Wheel Rear Derailleur Repair Kit for Sram X01 XX1 GX NX Eagle

Sram NX / SX Eagle 12s X-Sync Derailleur Pulleys

Sram GX Eagle 12S Rear Derailleur Inner Cage and Pulleys w/ X-Sync NIB 710845804632

SRAM Eagle 12-speed mountain bike groups let you soar far and wide - Complete tech overview! - Bikerumor

SX Eagle Rear Derailleur, RD-SX-1-B1

Pulleys + Interior Cage Kit XX1 Eagle 12s Gold

SRAM XX1 Eagle AXS 12-Speed Rear Derailleur

SRAM GX Eagle 12-Speed Rear Derailleur Excel Sports