Vortex 642AZK-38 CAT5 Aluminum Rear Sprocket 38 Tooth Black

The Vortex 642AZK-38 CAT5 aluminum rear sprocket delivers race-proven performance with a 38-tooth configuration engineered for precision and durability. Manufactured from lightweight 7075-T6 aluminum alloy, this sprocket is CNC-machined to the tightest tolerances in the industry and features a black anodized finish for enhanced wear resistance and corrosion protection.

Key Features:

• 38-tooth count for optimized gearing and performance
• CAT5 (Category 5) construction with advanced tooth profile design
• 7075-T6 aerospace-grade aluminum for maximum strength-to-weight ratio
• CNC-machined to exact specifications for perfect fitment
• Black anodized finish resists corrosion and provides distinctive styling
• Self-cleaning design helps prevent mud and debris buildup
• Precision-drilled mounting holes ensure proper alignment
• Significantly lighter than steel sprockets for reduced unsprung weight

Vortex Racing sprockets are tested by professional racers worldwide and trusted by champions in AMA Superbike, Sportbike, and road racing competition. Each sprocket undergoes rigorous quality control to ensure it meets the demanding standards required for high-performance street and track use.