Vortex 839A-42 Aluminum Rear Sprocket 42-Tooth Silver

The Vortex 839A-42 is a lightweight aluminum rear sprocket designed for high-performance motorcycle applications. This 42-tooth sprocket features Vortex's patented tooth design that delivers exceptional durability and extended service life compared to conventional sprockets.

Key Features:

• 42-tooth configuration for precise gearing options
• Lightweight aluminum construction reduces rotating mass for improved acceleration and handling
• 100% CNC-manufactured in the USA to exacting tolerances
• Specially formulated aluminum alloy per Vortex specifications
• Silver anodized finish prevents corrosion and maintains appearance
• Unique patented tooth profile increases sprocket longevity
• Precision-machined for optimal chain engagement and power transfer

Vortex Racing has been manufacturing premium motorcycle racing components since 1995, with products tested by professional race teams worldwide. Each sprocket is engineered to meet the demanding requirements of motocross, supercross, road racing, and track day applications.