SRAM REAR NX EAGLE 12s BLACKCompletely new rear derailleur incorporating Sram`s proven X horizon design and new Type 3 Roller Bearing Clutch technology Eagle ecosystem engineered mounting system and Cage Lock positioning add robustness Eagle pulley technology provides greater efficiency, crisper shifting and quieter operation The larger, 14 tooth X Sunc lower pulley easily facilitates 11 to 50 and 10 to 50 tooth cassette capacity, and also adds to NX Eagle`s overall smooth
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