Vortex 828CZB-39 CAT5 Aluminum Rear Sprocket 39T Black

The Vortex 828CZB-39 is a CAT5 aluminum rear sprocket featuring 39 teeth and a black hard-coat anodized finish. This lightweight performance sprocket is precision-machined from aerospace-grade 7075-T6 aluminum alloy, providing an excellent balance of strength and reduced rotational mass for improved acceleration and handling.

Key Features:

• 39-tooth rear sprocket configuration
• CAT5 series aluminum construction with black hard-coat finish for enhanced durability and corrosion resistance
• CNC-machined from 7075-T6 aerospace-grade aluminum
• Precision laser-cut tooth profile for optimal chain engagement and extended wear life
• Drilled weight-reduction holes to minimize rotating mass
• Self-cleaning design helps prevent mud and debris buildup
• Direct OEM replacement with bolt-on installation

Vortex sprockets are manufactured to the highest quality standards and are trusted by professional racing teams worldwide. The CAT5 series offers the perfect combination of lightweight performance and long-lasting durability for sport and track applications.