Vortex 642ZK-42 Aluminum Rear Sprocket 42-Tooth 530 Pitch Black

The Vortex 642ZK-42 is a premium aluminum rear sprocket designed for sport and street motorcycles. This 42-tooth sprocket features a 530 pitch configuration and delivers the lightweight performance and precision that racers demand while maintaining durability for street use.

Key Features:

• 42-tooth count for precise gearing options
• 530 pitch chain compatibility
• 100% CNC machined from specially formulated 7075 T6 aluminum alloy
• Manufactured in the USA to Vortex specifications
• Black anodized finish with contrasting machined accents
• Patented saber tooth groove design increases sprocket longevity
• Lightweight construction reduces rotating mass for improved acceleration
• Precision machined for perfect fitment and smooth chain engagement

Vortex Racing sprockets are the choice of professional race teams worldwide. The unique tooth profile and saber tooth groove design help extend chain and sprocket life while the lightweight aluminum construction puts more power to the pavement. Each sprocket is precision CNC machined to exact tolerances ensuring proper fit and optimal performance.