Vortex 720FZK-39 Rear Sprocket Aluminum Sprockets - 39-Tooth

The Vortex 720FZK-39 is a high-performance 39-tooth rear sprocket designed for serious riders who demand precision and durability. Manufactured from lightweight 7075-T6 aluminum alloy, this sprocket delivers exceptional strength while reducing rotating mass for improved acceleration and handling response.

Key Features:

• 39-tooth configuration for optimized gear ratio and performance
• Constructed from aerospace-grade 7075-T6 aluminum for superior strength-to-weight ratio
• CNC-machined to exacting tolerances for perfect chain alignment and extended wear life
• Hard-anodized finish provides excellent corrosion resistance and enhanced durability
• Self-cleaning tooth profile helps prevent mud and debris buildup
• Precision-drilled weight reduction pockets reduce overall mass without compromising strength

Vortex sprockets are engineered to meet the demanding requirements of both street and track riders. The 720 series represents Vortex's commitment to quality manufacturing and racing-proven design. Each sprocket undergoes rigorous quality control testing to ensure proper fitment and long-lasting performance.