Vortex 641A-46 Aluminum Rear Sprocket 46-Tooth 530 Pitch Silver

The Vortex 641A-46 is a high-performance aluminum rear sprocket designed for motorcycle racing and street applications. This lightweight 46-tooth sprocket is precision CNC-machined in the USA from specially formulated aluminum alloy to Vortex's exacting specifications, reducing rotating mass to help deliver more power to the pavement.

Key Features:

• 46-tooth count for 530 pitch chain applications
• 100% CNC-manufactured from 7075-T6 billet aluminum for maximum strength-to-weight ratio
• Unique patented tooth design with saber tooth grooves increases sprocket longevity
• Silver anodized finish prevents corrosion and enhances durability
• Lightweight construction reduces unsprung weight and improves acceleration
• Precision-machined to tight tolerances for smooth, quiet operation

Vortex Racing has been manufacturing premium motorcycle racing components for over 15 years, focusing on absolute quality and performance. Each sprocket is engineered by motorcycle racers and enthusiasts who understand the demands of Motocross, Supercross, Road Racing, and street riding. The 641A series represents Vortex's standard aluminum racing sprocket line, offering excellent durability and performance for riders seeking a weight advantage without compromising strength.