Vortex 523ZK-42 Steel Rear Sprocket 42-Tooth Black Hardcoat

The Vortex 523ZK-42 is a 42-tooth, 523-pitch steel rear sprocket finished in a black hardcoat anodizing for superior corrosion resistance. Built to Vortex's exacting standards, this sprocket delivers reliable power transfer and long service life for street and performance motorcycle applications.

Key Features:

• 42-tooth, 523-pitch steel rear sprocket for precise chain compatibility
• Black hardcoat finish — electro-plated satin black to resist corrosion and wear
• Carbon steel alloy manufactured to Vortex's proprietary specifications
• Hardened teeth for extended sprocket life without sacrificing strength
• Vortex patented tooth design — engineered to reduce wear and increase longevity
• Precision-manufactured for accurate concentricity and smooth, quiet operation
• Direct OEM-replacement fit for compatible motorcycle models

Vortex Racing sprockets are a trusted choice among street riders and racers alike. The 523ZK-42 maintains the brand's commitment to quality with tight manufacturing tolerances and a durable finish that stands up to demanding riding conditions.