DER SRAM RR EAGLE 90 12s LUNAR BK 52T

All-new T-Type cable actuation ratio to provide the most precise and crisp shifts every time
Utilizing the same Full Mount design as its electronic siblings, Eagle 90 is the strongest mechanical derailleur Sram has ever produced
Derailleur body features replaceable outer and inner parallelogram links, skid plates, and a tool-free threaded cage assembly
The most rebuildable derailleur in the Eagle Transmission ecosystem