Vortex 641A-57 Aluminum Rear Sprocket 57-Tooth Silver

The Vortex 641A-57 is a precision-engineered aluminum rear sprocket designed for high-performance motorcycles. This 57-tooth sprocket features Vortex's patented tooth design that increases sprocket longevity and delivers superior power transfer compared to conventional sprockets.

Key Features:

• 57-tooth aluminum construction for lightweight performance
• Specially formulated alloy per Vortex specifications for optimal strength-to-weight ratio
• Unique patented tooth profile extends service life
• Precision-machined to the tightest tolerances in the industry
• Silver anodized finish for corrosion resistance
• Induction-hardened and plated for durability

Vortex sprockets are trusted by professional racers in AMA Superbike, Sportbike, Supercross and motocross competition. Each sprocket is manufactured using premium materials and tested by top racing teams to ensure race-proven performance and reliability for both street and track applications.