Vortex 803A-63 Aluminum Rear Sprocket 520 Pitch 63 Tooth

The Vortex 803A-63 is a high-performance aluminum rear sprocket designed for motorcycle applications requiring 520 pitch chain. This 63-tooth sprocket is precision CNC machined from lightweight 7075-T6 aluminum alloy, providing exceptional strength while significantly reducing rotational weight compared to steel sprockets.

Key Features:

• 63-tooth configuration for optimized gearing ratios
• 520 chain pitch compatibility
• CNC machined from aerospace-grade 7075-T6 aluminum
• Vortex's unique tooth profile design for extended sprocket life
• CAT5 anodized finish for corrosion resistance and appearance
• Reduced rotating mass improves acceleration and handling
• Precision manufacturing ensures smooth, quiet operation

Vortex sprockets are trusted by racing professionals and enthusiasts for their quality construction and performance. The lightweight aluminum construction allows for quicker throttle response and improved rear-wheel power output while maintaining the durability needed for demanding riding conditions.