Vortex 642AZR-53 Aluminum Rear Sprocket 53 Tooth Blue

The Vortex 642AZR-53 is a high-performance aluminum rear sprocket featuring 53 teeth and finished in Vortex's signature blue anodized coating. This sprocket is precision-manufactured from 7075-T6 aluminum alloy, offering an excellent balance of strength and reduced weight compared to steel sprockets.

Key Features:

• 53-tooth configuration for customized gear ratios
• 7075-T6 aircraft-grade aluminum construction for maximum strength-to-weight ratio
• Hard-anodized blue finish for corrosion resistance and distinctive appearance
• CNC-machined for precise tolerances and optimal chain engagement
• Self-cleaning mud grooves help prevent debris buildup
• Significantly lighter than OEM steel sprockets for reduced unsprung weight

Vortex sprockets are designed to meet or exceed OEM specifications and are a popular choice among sport bike riders and racers looking to optimize acceleration and performance through gearing changes. The aluminum construction provides durability for street and track use while reducing rotational mass.