SRAM GX Eagle Rear Derailleur 12 Speed Long Cage Lunar

The GX Eagle Rear Derailleur gets the job done with a thoughtfully designed cage architecture that improves chain management. -Mounting system and re-positioned Cage Lock offer greater durability -Sealed cartridge pulley bearings -Backwards compatible, works with both 10-50t and 10-52t cassettes -Updated cage architecture provides better chain retention and precise shifts -Comes in GX Eagle master colorway as part of Eagle Colorsystem and goes with all colors of Eagle cassettes & chains