Vortex 839ZB-39 Rear Sprocket 39 Tooth Aluminum

The Vortex 839ZB-39 is a precision-engineered rear sprocket designed for high-performance motorcycle applications. This 39-tooth sprocket is manufactured from lightweight 7075-T6 aluminum alloy, offering an optimal balance of strength and weight reduction compared to steel sprockets.

Key Features:

• 39-tooth configuration for optimized gearing performance
• Constructed from aerospace-grade 7075-T6 aluminum alloy
• CAD-designed tooth profile ensures smooth chain engagement and extended chain life
• Hard-anodized finish in blue for superior wear resistance and corrosion protection
• CNC-machined for precise tolerances and perfect fitment
• Lightening holes reduce rotational mass without compromising strength
• Self-cleaning mud grooves prevent debris buildup

Vortex sprockets are engineered to meet or exceed OEM specifications while providing the durability and performance demanded by both street and track riders. The blue anodized finish not only provides excellent protection but also adds a distinctive custom appearance to your drivetrain.