Vortex 840AZB-42 Aluminum Rear Sprocket 42 Tooth Blue

The Vortex 840AZB-42 is a high-performance aluminum rear sprocket featuring 42 teeth and a distinctive blue anodized finish. Manufactured from 7075-T6 aluminum alloy, this sprocket delivers an optimal balance of strength and lightweight performance for sport and track motorcycles.

Key Features:

• 42-tooth configuration for customized gearing ratios
• 7075-T6 aerospace-grade aluminum construction for maximum strength-to-weight ratio
• Blue anodized finish provides corrosion resistance and distinctive appearance
• CNC-machined for precise fitment and optimal chain engagement
• Self-cleaning mud grooves help shed debris and extend chain life
• Significantly lighter than steel sprockets for reduced unsprung weight

Vortex sprockets are designed to meet or exceed OEM specifications and are a popular choice among racers and enthusiasts seeking performance upgrades. The aluminum construction reduces rotating mass, which can improve acceleration and handling response.