Vortex 839C-51 Aluminum Rear Sprocket 51 Tooth

The Vortex 839C-51 is a lightweight aluminum racing rear sprocket featuring 51 teeth, engineered for optimal power transfer and performance. This sprocket is 100% CNC manufactured in the USA from a specially formulated aerospace-grade aluminum alloy per Vortex specifications, ensuring precise tolerances and exceptional quality.

Key Features:

• 51-tooth aluminum construction for reduced rotational mass
• 100% CNC machined in the USA for precision fit
• Specially formulated aluminum alloy per Vortex specifications
• Silver anodized finish to prevent corrosion
• Patented tooth design increases sprocket longevity
• Lightweight design improves acceleration and handling

Vortex sprockets are trusted by professional racers and enthusiasts alike for their superior craftsmanship, durability, and performance. The unique tooth profile extends wear life while maintaining optimal chain engagement. Ideal for street, track, and racing applications where weight savings and reliability are critical.