Sram GX-EAGLE 12-Speed Rear Derailleur Long Lunar Compatio_Enriched the BL-R780 weighs 170 grams

the BL-R780 weighs 170 grams a pair

800mm Wide

Durable stainless steel body plate reduces flex and pedal body wear

Great for rims

Endurance-Specific Tread Pattern Design for better wet/mix-terrain grip

Sram GX-EAGLE 12-Speed Rear Derailleur Long Lunar Compatio_Enriched the BL-R780 weighs 170 gramsRiders 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 master colorway to compliment any cassette and chain