Vortex 642AK-46 Aluminum Rear Sprocket 525 Pitch 46 Tooth Black Hardcoat

The Vortex 642AK-46 is a high-performance aluminum rear sprocket designed for 525-pitch chain applications. This lightweight F5 aluminum racing sprocket features 46 teeth and is CNC-machined from specially formulated 7075-T6 billet aluminum alloy to Vortex's exacting specifications.

Key Features:

• 525 chain pitch with 46 teeth for precise gearing
• PTFE (Polytetrafluoroethylene) black hardcoat finish increases wear resistance and reduces friction
• 100% CNC manufactured in the USA to tight tolerances
• Vortex patented tooth design with saber tooth grooves increases sprocket longevity
• Lightweight construction reduces rotating mass for improved performance
• Precision-machined for concentricity and smooth operation
• Anodized base layer prevents corrosion

Vortex Racing has been manufacturing premium motorcycle racing components for over 15 years, with products tested by professional race teams worldwide. Each sprocket is engineered for maximum durability and performance in demanding applications including road racing, track days, and high-performance street riding.