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Made of an ultralight
Dura Ace ST-R9120
Refined 12-step gear combination provides peak efficiency and accelerating performance for every situation
Max tooth 28T for the short cage
SRAM GX Eagle (B2) Rear Derailleur 2.20" Made of an ultralightRiders want the derailleur to do its 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, its also backwards compatible for the 10 50t versions. Giving riders choice, because thats how it should be. Finished with the new GX Eagle signature colorway to compliment any cassette and
