Vortex 824ZK-51 Black Aluminum Rear Sprocket 51-Tooth

The Vortex 824ZK-51 is a 51-tooth black anodized aluminum rear sprocket designed for high-performance motorcycle applications. Engineered by Vortex Racing — a leading U.S.-based manufacturer of motorcycle drivetrain components — this sprocket delivers the ideal blend of lightweight performance and durability for street and track riders.

Key Features:

• 51-tooth rear sprocket for modified gearing ratios and improved low-end acceleration
• CNC machined from specially formulated aluminum alloy per Vortex specifications
• Black anodized finish for corrosion resistance and aggressive aesthetics
• Unique tooth profile designed to increase sprocket longevity and reduce chain wear
• 100% manufactured in the USA to precise tolerances
• Lightweight construction reduces rotating mass for improved throttle response
• Model-specific fitment ensures proper alignment and concentricity

The Vortex 824ZK-51 rear sprocket is a proven upgrade for riders seeking improved acceleration performance without sacrificing reliability. Its black anodized finish resists corrosion while complementing modern motorcycle aesthetics. As with all Vortex sprockets, it is engineered to work seamlessly with compatible Vortex front sprockets and premium chain combinations.