Vortex® 3521-15 - Steel Front Sprocket

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Vehicle Fitment

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Product Details

Steel Front Sprocket (3521-15) by Vortex®. Pitch: 530. Tooth Quantity: 15. Finish: Natural. Made from the highest quality steel and case-hardened. Precision-manufactured Front Sprockets are induction-hardened to very specific tolerances in order to improve concentricity providing a stronger, quieter and longer lasting sprocket. Vortex Front Sprockets are plated with a special zinc coating to resist corrosion with drilled lightening holes to reduce rotating mass.


Material: Steel
Side: Front
Pitch: 530
Tooth Quantity: 15
Finish: Natural


  • Drilled lightening holes reduce rotating mass
  • High carbon steel for maximum strength
  • Special Vortex Nichel plating to resist corrosion
  • Induction hardened to reduce surface wear
  • Precise tolerances to ensure concentricity
  • Designed to serve the motorsport market
  • Reliable and secure solution for your racing needs
  • Expertly engineered to win and last for years ahead

For nearly 20 years, U.S.-based Vortex® continues to manufacture, market and sell top-quality motorcycle racing components for Motocross, Supercross, Road Racing, Flat Track Racing and Minibikes. Owned and operated by motorcycle racers and enthusiasts, Vortex focus on absolute quality. Each of Vortex race components is made to the tightest tolerances with the best quality materials in the industry. Vortex test on the track with direct feedback from top professional race teams worldwide.

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Vortex® 3521-15 - Steel Front Sprocket

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