Vortex 840A-39 Rear Sprocket 520 Pitch 39 Tooth Silver Aluminum

The Vortex 840A-39 is a lightweight aluminum rear sprocket designed for high-performance motorcycle applications. Featuring 39 teeth and compatible with 520 pitch chains, this sprocket is engineered to deliver exceptional durability and precision for both street and racing use.

Key Features:

• 100% CNC manufactured in the USA from specially formulated 7075-T6 billet aluminum alloy
• Silver anodized finish prevents corrosion and provides long-lasting protection
• Patented tooth design increases sprocket longevity and chain engagement
• Lightweight construction reduces rotating mass for improved acceleration and handling
• Manufactured to the tightest tolerances for precise fit and performance
• Track-tested by professional racing teams worldwide

Vortex has been manufacturing top-quality racing components since 1995, and each sprocket is built to meet the demanding standards of professional racers. The 840A series represents their standard aluminum racing sprocket line, offering an excellent balance of strength, weight, and value for riders seeking to optimize their drivetrain performance.