Vortex 420 Rear Sprocket, Black fits KX85 KX100, 38 or 40 tooth


Black Vortex aluminum sprocket for road racing a KX85 or KX100, 38 or 40 tooth.



Fits KX85 and KX100

-Inproves performace by reducing the drive system’s rotating mass
-Lightweight 7075 T6 aerospace aluminum
-High tensile carbon steel
-Precision CNC machined individually for tightest tolerances
-Ideal Toothe Design TM for perfected chain hold and release
-Maximum Wear Resistence

Additional information

Number of teeth

38, 40

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