Vortex 838CZB-42 CAT5 Aluminum Rear Sprocket 42-Tooth

The Vortex 838CZB-42 is a lightweight aluminum racing rear sprocket featuring 42 teeth and the distinctive CAT5 finish with black coating and machined accents. Designed for high-performance motorcycles, this sprocket combines race-proven durability with weight-saving construction to reduce rotating mass and improve acceleration response.

Key Features:

• 100% CNC-manufactured in the USA from specially formulated aluminum alloy
• CAT5 black coating with machined accents for durability and corrosion resistance
• Vortex patented tooth design increases sprocket longevity
• Lightweight construction reduces rotating mass for improved performance
• 42-tooth configuration for optimized gearing
• Precision-machined to tight tolerances for proper chain engagement

Vortex Racing sprockets are trusted by professional race teams worldwide in Motocross, Supercross, Road Racing, and Flat Track applications. Each sprocket is engineered to deliver maximum power transfer while withstanding the demanding conditions of motorsports competition.