Vortex 312DZR-31 Rear Sprocket 31 Tooth 520 Pitch

The Vortex 312DZR-31 is a high-performance rear sprocket designed for sport bikes and racing applications. This 31-tooth sprocket features 520 pitch spacing, making it compatible with 520 chain systems commonly used on modern sportbikes.

Key Features:

• CNC-machined aluminum construction for lightweight performance
• 31-tooth configuration for optimized gearing ratios
• 520 pitch compatibility for modern sport bike chain systems
• Hardcoat anodized finish for durability and corrosion resistance
• Precision-cut teeth for smooth chain engagement and extended wear life
• Self-cleaning mud grooves to prevent debris buildup

Vortex sprockets are engineered to strict tolerances and are a popular choice among track day enthusiasts and racers. The lightweight aluminum design helps reduce unsprung weight while maintaining the strength needed for high-performance riding. This sprocket allows riders to fine-tune their motorcycle's acceleration and top speed characteristics by changing the final drive ratio.