Vortex 825AZK-42 Aluminum Rear Sprocket 42 Tooth

The Vortex 825AZK-42 is a high-performance aluminum rear sprocket featuring 42 teeth, designed for sportbike and street motorcycle applications. This sprocket combines lightweight construction with exceptional durability through advanced manufacturing processes.

Key Features:

• 42-tooth aluminum construction for reduced rotating mass and improved acceleration
• Hardened zinc finish provides superior corrosion resistance and extended wear life
• CNC-machined from high-grade 7075-T6 aluminum alloy for precision fitment
• Self-cleaning mud grooves help maintain optimal chain engagement
• Lightening holes reduce weight without compromising strength
• Compatible with 520 pitch chains
• Manufactured to strict OEM tolerances for exact fit and reliable performance

Vortex sprockets are engineered for riders who demand professional-grade components. The aluminum construction offers significant weight savings over steel sprockets while maintaining the strength needed for high-performance riding. The hardened zinc coating enhances longevity and maintains appearance even in harsh riding conditions.