Vortex 839AV4-39 VTX Aluminum Rear Sprocket 39T

The Vortex 839AV4-39 is a 39-tooth lightweight aluminum rear sprocket engineered for performance-focused riders who demand racing-grade drivetrain components. 100% CNC manufactured in the USA from a specially formulated alloy per Vortex specifications, this sprocket features a silver anodized finish to prevent corrosion and a unique tooth design to increase sprocket longevity.

Key Features:

• 39-Tooth Rear Sprocket — allows precise gear ratio tuning for your riding application
• 7075 T6 billet aluminum construction for maximum strength with minimal weight and reduced rotating mass
• Silver anodized finish resists corrosion and complements the unique tooth geometry designed for extended sprocket life
• 100% CNC machined in the USA to precise tolerances using a specially formulated alloy per Vortex specifications
• Optimized for improved acceleration, deceleration, and directional changes

Vortex Racing has been manufacturing top-quality motorcycle racing components for over 15 years. Owned and operated by motorcycle racers and enthusiasts, each component is made to the tightest tolerances with the best quality materials in the industry. Vortex Racing rear aluminum sprockets are the racer's choice — their lightweight design reduces rotating mass and aids in putting more power to the pavement.