Work For SRAM XX1/X01/GX/NX/SX Eagle 12 Speed Rear Derailleur.
Material：AL7075 T6
Fully Rolling & Milling Machined
12 Teeth (Upper)+14 Teeth (Bottom)
Narrow-Wide Teeth Designed
With Sealed Bearing
Anodized
Colors Options：Black, Red, Gold, Blue, Silver & Green
Standard Packaging：Pair Packed (12T*1+14T*1)