sram schaltwerk gx eagle 12 fach 52tRiders want the derailleur to do his job shifting on command, whether under climbing load or the stage finish. The GX Eagle derailleur gets it done with an updated cage architecture that improves chain management. Refined to work with the new 10 52t cassettes, it's also backwards compatible for the 10 50t versions. Giving riders choice, because that's how it should be. Finished with the new GX Eagle master colorway to compliment any cassette and chain