Vortex 680ZR-39 Aluminum Rear Sprocket 39-Tooth

The Vortex 680ZR-39 is a high-performance aluminum rear sprocket designed for motorcycle racing and enthusiasts who demand maximum performance. This 39-tooth rear sprocket combines lightweight construction with race-proven durability for optimal power delivery and acceleration.

Key Features:

• 39-tooth configuration for customized gearing ratios
• CNC machined from aerospace-grade 7075 aluminum alloy for exceptional strength-to-weight ratio
• Anodized finish resists corrosion and wear while reducing friction
• Vortex's patented tooth design increases sprocket longevity over standard designs
• 100% manufactured in the USA to strict tolerances
• Lightweight construction reduces unsprung rotating mass for improved handling and acceleration
• Specially formulated alloy engineered to Vortex specifications

Vortex Racing has been producing premium motorcycle drivetrain components for over 15 years, with products tested and proven by professional race teams in Motocross, Supercross, Road Racing, and Flat Track competition. Each sprocket is precision-engineered to deliver consistent performance mile after mile.