Drilled lightening holes reduce rotating massHigh carbon steel for maximum strengthSpecial Vortex Nichel plating to resist corrosionInduction hardened to reduce surface wearPrecise tolerances to ensure concentricity
Steel front sprockets are precision-manufactured and induction-hardened to precise tolerances to improve concentricity and provide a stonger, quieter and longer-lasting sprocket
Brand: Vortex, Model: 3523-15, Size: 15-Tooth 530-Pitch