Vortex 522BZR-39 CAT5 525 Pitch Aluminum Rear Sprocket 39 Tooth Black

The Vortex 522BZR-39 is a premium CAT5 aluminum rear sprocket designed for motorcycles requiring 525-pitch chain. This lightweight performance sprocket features 39 teeth and a distinctive black anodized finish that provides both corrosion resistance and an aggressive aesthetic.

Key Features:

• Manufactured from aerospace-grade 7075-T6 aluminum alloy for exceptional strength and durability
• 100% CNC machined in the USA to the tightest tolerances for precise fitment
• Black anodized finish prevents corrosion while maintaining a sleek appearance
• Patented tooth design increases sprocket longevity and ensures efficient power transfer
• Lightweight construction reduces rotating mass for improved acceleration and handling
• 525 pitch with 39 teeth for optimized gear ratios

Vortex CAT5 sprockets feature a unique CNC-machined design that delivers both performance and durability. The reduction in rotating mass compared to OEM steel sprockets allows for quicker acceleration and more responsive handling, making this an ideal upgrade for both street and track applications.