Vortex 841ZK-50 Rear Sprocket 50-Tooth Black Aluminum

The Vortex 841ZK-50 is a lightweight aluminum racing rear sprocket designed specifically for Marchesini and PVM aftermarket wheels. This 50-tooth sprocket features black anodizing with contrasting silver machine cuts, combining race-proven performance with distinctive styling.

Key Features:

• 100% CNC manufactured in the USA from specially formulated alloy per Vortex specifications
• Unique tooth design increases sprocket longevity
• Vortex patented sprocket design is unlike any other sprocket
• Black anodized finish with silver machined accents for corrosion resistance and aggressive styling
• Lightweight construction reduces rotating mass and aids in putting more power to the pavement
• 50 teeth for precise gear ratio tuning

The 841ZK series is engineered for aftermarket wheel applications, specifically Marchesini and PVM wheel patterns. This precision-manufactured sprocket delivers the durability and performance demanded by racers and performance enthusiasts. The black anodized finish with contrasting silver cuts provides both protection against the elements and a premium aesthetic that complements high-end wheel setups.