Vortex 491-43 Silver 43-Tooth 520-Pitch Aluminum Rear Sprocket

The Vortex 491-43 is a lightweight, silver anodized aluminum rear sprocket featuring a 43-tooth count and 520 pitch chain compatibility. Designed for performance street and track riders, this sprocket is part of Vortex's standard aluminum rear sprocket lineup, built to deliver a measurable weight savings over steel while maintaining durability under demanding riding conditions.

Key Features:

• 43-Tooth / 520-Pitch configuration for optimized gearing performance
• Lightweight aluminum construction — significantly lighter than steel alternatives
• 100% CNC manufactured in the USA to the tightest tolerances
• Specially formulated alloy developed to Vortex's proprietary specifications
• Silver anodized finish for corrosion resistance and a clean appearance
• Patented unique tooth design engineered to increase sprocket longevity
• Cupped body design reduces weight without sacrificing structural integrity

Vortex Racing has been producing championship-level motorcycle components in the USA since 1995, with parts tested directly by top professional race teams worldwide. The 491-43 rear sprocket is an ideal upgrade for riders looking to fine-tune their gearing while keeping unsprung weight to a minimum.