Vortex 642AZB-43 CAT5 Aluminum Rear Sprocket Blue 43-Tooth 525-Pitch

The Vortex 642AZB-43 is a premium CAT5 aluminum rear sprocket featuring 43 teeth with 525 pitch, designed for sport bikes and high-performance motorcycles. This lightweight racing sprocket is CNC-machined from 7075-T6 aluminum alloy with a vibrant blue anodized finish that provides both corrosion resistance and an aggressive appearance.

Key Features:

• 43-tooth configuration with 525 pitch for optimal gearing
• CAT5 aluminum construction for exceptional strength-to-weight ratio
• 100% CNC manufactured in the USA for precise tolerances
• Anodized blue finish with silver machined highlights
• Specially formulated 7075-T6 aluminum alloy per Vortex specifications
• Unique tooth profile design increases sprocket longevity
• Significantly lighter than steel sprockets for reduced rotating mass

Vortex sprockets are engineered for racers and enthusiasts who demand precision and performance. The CAT5 series combines lightweight construction with durability, making it ideal for aggressive riding and track use. The anodizing process is completed before machining, ensuring the colored finish remains vibrant while exposing silver aluminum on the tooth surfaces for visual appeal.