Vortex 642ZK-39 Aluminum Rear Sprocket 39-Tooth Black

The Vortex 642ZK-39 is a high-performance 39-tooth aluminum rear sprocket featuring a black anodized finish. Designed for serious riders and racers, this lightweight sprocket reduces rotating mass to help transfer more power to the rear wheel for improved acceleration and performance.

Key Features:

• 39-tooth aluminum construction for reduced weight
• Black anodized finish prevents corrosion and adds durability
• 100% CNC machined in the USA to precise tolerances
• Specially formulated aluminum alloy per Vortex specifications
• Saber tooth grooves with unique tooth design increases sprocket longevity
• Vortex patented sprocket design unlike any other sprocket

Vortex Racing sprockets are precision-manufactured to exacting standards, ensuring concentricity for smooth, quiet operation. The advanced tooth profile design helps extend sprocket life while maintaining optimal chain engagement. This sprocket is ideal for riders looking to optimize their motorcycle's gearing for better acceleration or to replace worn components with premium quality parts.