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  • SRAM GX Eagle B2 12-Speed Rear Derailleur

SRAM GX Eagle B2 12-Speed Rear Derailleur

SKU: 260243-01
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Riders 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.

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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 signature colorway – to compliment any cassette and chain colorway a rider wants from the Eagle Colorsystem. Further proof that the GX Eagle derailleur is there for one thing - to do the job.

  • Backwards compatible, works with both 10-50t and new 10-52t cassettes.
  • Updated cage architecture provides better chain retention and precise shifts.
  • Comes in GX Eagle signature colorway as part of Eagle Colorsystem and goes with all colors of Eagle cassettes & chains – from Black to Gold to Rainbow, to HardChrome and new Copper.


Cage (RD) Long
Cable Pull Ratio X-actuation
Speed (RD) 12s
Color (RD) Lunar
Cage Material (RD) Aluminum
Pulley Bearings Material Steel
Max Tooth 52
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