SUNRACE SUNRACE CSMZ91X 10/50T (XD type). SRAM NX Eagle X-HORIZON Rear Derailleur 12-speed x1. SRAM NX Eagle Trigger Shifter 12-speed x1. SRAM NX Eagle 12-speed 126Link Chain x1. NX Eagle™ drivetrain is the newest addition to the Eagle™ 1x ecosystem, and shares technologies with XX1, X01 and GX drivetrains, which makes it 100-percent compatible within the Eagle™ ecosystem.
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