Vortex 840V4-46 Aluminum Rear Sprocket Chain Sprockets - V4 46T 520

The Vortex 840V4-46 is a high-performance 46-tooth aluminum rear sprocket designed for motorcycles running a 520 chain pitch. Engineered by Vortex Racing — a trusted name in American-made sprocket technology — this sprocket is precision CNC-machined from lightweight 7075-T6 aluminum alloy for an optimal balance of strength and weight savings over a stock steel sprocket.

The V4 series features Vortex's distinctive scalloped, weight-relieved design that removes excess material without compromising structural integrity, making it a popular upgrade for both sport and track riders seeking improved throttle response and reduced unsprung weight.

Key Features:

• 46 teeth — ideal for fine-tuning acceleration and gearing ratios
• 520 chain pitch compatible
• 7075-T6 aluminum construction — lightweight and durable
• CNC-machined for precise tolerances and consistent fit
• Hard anodized finish for corrosion resistance and long service life
• Scalloped, weight-relieved design reduces rotating mass
• Made in the USA by Vortex Racing

The Vortex V4 aluminum rear sprocket is a direct OEM replacement and performance upgrade, offering reduced weight compared to stock steel sprockets. Ideal for sport bike riders looking to optimize their drive train performance on the street or track.