Vortex 193AZK-39 CAT5 Rear Aluminum Sprocket 520 Pitch 39T Black

The Vortex 193AZK-39 is a lightweight CAT5 series rear aluminum sprocket featuring a 520 chain pitch and 39-tooth configuration with a striking black anodized finish. Designed for performance-minded riders who demand precision engineering without sacrificing weight savings, this sprocket is a direct upgrade over heavy OEM steel units.

Key Features:

• Lightweight CAT5 aluminum construction — reduces rotating mass for improved throttle response and power transfer
• 100% CNC manufactured in the U.S.A. — machined to the tightest tolerances for consistent fit and performance
• Specially formulated 7075-T6 alloy — per Vortex specifications for maximum strength-to-weight ratio
• Saber tooth groove design — patented tooth profile engineered to increase sprocket longevity and improve chain engagement
• Black anodized finish — color anodizing applied over the sprocket body with bright silver machine-cut highlights on the teeth and edges
• 520 chain pitch — compatible with 520-pitch drive chains
• 39 teeth — rear sprocket tooth count for precise gear ratio tuning

Vortex Racing has been manufacturing top-quality motorcycle racing components in the U.S.A. for over 20 years. The CAT5 series represents their premium aluminum sprocket line, trusted by professional racers and serious street riders alike. This sprocket delivers the ideal combination of low weight, durability, and race-proven performance.