Vortex 151-37 Silver 37-Tooth 420 Aluminum Rear Sprocket

The Vortex 151-37 is a 37-tooth silver aluminum rear sprocket designed for motorcycles running a 420 pitch chain. Engineered for performance-minded riders, this sprocket is manufactured from lightweight, high-strength aluminum and finished in a distinctive silver anodized coating that resists corrosion and wear.

Vortex sprockets feature a patented tooth profile design that promotes smooth chain engagement and extends overall sprocket service life compared to standard OEM replacements. The precision-machined construction ensures consistent chain tracking and reliable power transfer from the engine to the rear wheel.

Key Features:

• 37 teeth — suitable for fine-tuning gear ratios for acceleration or top speed
• 420 chain pitch compatibility
• Lightweight aluminum construction reduces unsprung and rotating mass
• Silver anodized finish for corrosion resistance and lasting appearance
• Patented Vortex tooth design for increased sprocket longevity and smooth chain engagement
• Precision CNC machined for consistent fitment and performance

The Vortex 151-37 rear sprocket is a direct-fit upgrade or replacement for applicable motorcycles, delivering performance-level quality at a competitive price point. Ideal for riders looking to optimize their drivetrain without adding unnecessary weight.