Vortex 317ZO-51 CAT5 Aluminum Rear Sprocket - Orange - 51 Tooth - 520 Pitch

The Vortex 317ZO-51 is a lightweight CAT5 aluminum racing rear sprocket designed for high-performance motorcycle applications. This 51-tooth sprocket features Vortex's signature orange anodized finish with contrasting silver machine cuts, combining race-ready functionality with eye-catching style.

Key Features:

• 100% CNC machined from specially formulated 7075 aluminum alloy to Vortex specifications
• Anodized first, then CNC machined for a vibrant orange color with bright silver highlights
• Saber tooth grooves with patented tooth design increases sprocket longevity
• 520 pitch for compatibility with standard or conversion chain systems
• 51 teeth for customized gearing ratios
• Lightweight construction reduces rotating mass for improved acceleration
• Manufactured in the USA with precision tolerances
• Ideal for motocross, supercross, road racing, and sport riding applications

Vortex CAT5 sprockets are trusted by professional race teams worldwide and deliver the perfect combination of weight savings, durability, and distinctive appearance. The anodized coating provides excellent corrosion resistance while the unique Vortex tooth profile ensures smooth chain engagement and extended wear life.