Vortex 825ZBV4-42 Aluminum Rear Sprocket 42-Tooth 520 Pitch

The Vortex 825ZBV4-42 is a high-performance aluminum rear sprocket engineered for motorcycle applications requiring lightweight, precision-machined drivetrain components. Featuring 42 teeth and designed for use with a 520 pitch chain, this sprocket delivers reliable power transfer and reduced unsprung weight compared to standard steel sprockets.

Vortex sprockets are CNC-machined from high-grade 7075 aluminum alloy and hard anodized for enhanced wear resistance and corrosion protection. The result is a sprocket that balances durability with significant weight savings — a popular upgrade for sport, track, and street riders alike.

Key Features:

• 42-tooth rear sprocket configuration
• Compatible with 520 pitch chain
• CNC-machined from 7075 aluminum alloy for strength and light weight
• Hard anodized finish for wear and corrosion resistance
• Precision-drilled bolt pattern for accurate fitment and easy installation
• Reduces unsprung rotational mass compared to OEM steel sprockets
• Available in multiple colors (finish may vary by configuration)

The Vortex 825ZBV4-42 is a trusted choice among performance-oriented riders looking to optimize acceleration and handling through drivetrain weight reduction. Always verify sprocket bolt pattern and center hole diameter compatibility with your specific application before installation.