Vortex 338-63 Aluminum Rear Sprocket 520 Pitch 63 Tooth Silver

The Vortex 338-63 is a high-performance aluminum rear sprocket designed for 520 pitch chain applications. This lightweight racing sprocket features 63 teeth and is precision-machined from aerospace-grade aluminum for optimal strength and reduced rotational mass.

Key Features:

• 100% CNC manufactured in the USA for precise fitment and performance
• Specially formulated aluminum alloy per Vortex specifications
• Silver anodized finish resists corrosion and wear
• Patented tooth design increases sprocket longevity and reduces chain wear
• Cupped design from tooth ring to body reduces weight without sacrificing strength
• Hardened teeth for extended service life
• 520 pitch for compatibility with standard sportbike applications

Vortex sprockets are trusted by professional racers and performance enthusiasts worldwide for their superior craftsmanship, durability, and ability to fine-tune gear ratios. This sprocket is intended for use with stock 520 pitch chain sizes and provides an excellent upgrade or replacement for OEM gearing.