SRAM GX Eagle Rear Derailleur (Lunar) (12 Speed) (Long Cage) (Clutch) - 00.7518.137.000
SRAM GX Eagle Rear Derailleur (Lunar) (12 Speed) (Long Cage) (Clutch) - 00.7518.137.000, SRAM GX Eagle Rear Derailleur (Lunar) (12 Speed) (Long Cage) (Clutch) - 00.7518.137.000