Vortex Sprockets Are a Lightweight High-Performance Alternative to the Steel Stock Sprocket. They Considerably Reduce Mass and Allow You to Change Your GearingMade With Highest Quality Aluminum7075 T6 Aluminum Is the Best Grade Material for Light Weight and Durability.The Weight You Save on Drive Components Is Multiplied as Rotating Mass.Less Rotating Weight Improves Acceleration.CNC MacHined to Tightest TolerancesTheir Unique Manufacturing Process Creates a Perfectly Concentric Sprocket Every Time.This Frees Horsepower and Extends the Life of Both Chain and Sprocket.Perfected Tooth Design Has Less Drag and Reduces Friction for Better Acceleration and Deceleration.Attractive, Smart DesignVortex Patented Design Offers a Unique Look.Standard Sprockets Have a Bright, Polished Look; Clear Anodizing Helps Prevent Corrosion.Mud Grooves and Coatings Help Keep Components Clean.All Sprockets Available in Single Tooth Increments.Fits ZX-6R 05-07 ZX-10R 04-09Please Note: The Image Displayed Is Representative of the Item, but May Vary Slightly Depending on Your Specific Model.

Lightweight standard aluminum racing sprocket|100 percent CNC manufactured in the USA|Specially formulated alloy per Vortex specifications|Silver anodized to prevent corrosion|Unique tooth design increases sprocket longevity; Vortex patented sprocket design is unlike any other sprocket

PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov