Not only does the SRAM GX Eagle AXS Rear Derailleur get the job done, it features everything you have come to expect from SRAMs AXS connect components . Its able to shift on command, whether thats under climbing load, or sprinting to the stage finish. The derailleur is smart enough to protect itself thanks to its incredibly resilient Overload Clutch. Engineered with a variety of rider preferences in mind, it is compatible with the expanded range 10-52t cassette as well as the 10-50t cassette. AXS enabled componentry software makes it possible to both program and personalize SRAM and RockShox components with Eagle technologyOverload Clutch protectionFinished with the GX Eagle master colorwayBattery sold separatelyDerailleur features a steel cage and steel pulley bearings ALL DAY GX Eagle AXS is your partner for all rides, all the time, all day. With proven AXS wireless technology, and the rugged durability of GX, it’s Eagle at its best. Featuring an expanded 520% range, seamless compatibility with the rest of the ecosystem, and the ability to customize with the AXS app, GX Eagle AXS is your entry point to the future. ALWAYS CONNECTED Effortlessly connected, instantly personalized. GX Eagle AXS combines rugged durability with connected wireless technology that’s made for the mountain. AXS unlocks an entirely new way to personalize your shifting experience – all controlled from your phone via the AXS App. Unless you’re looking to set it and forget it. Because you can do that too. Color: LunarLargest Cog: 52Rear Derailleur Mount Type: 10x1 StandardChain Wrap Capacity (teeth): 42Cage Length: LongRear Der/Shifter Compatibility: SRAM eTap AXSDrivetrain Speeds: 12