Vortex 840AZO-45 Aluminum Rear Sprocket 45-Tooth 520 Pitch

The Vortex 840AZO-45 is a lightweight aluminum rear sprocket designed for aftermarket wheel applications, featuring 45 teeth and 520 pitch compatibility. Engineered for racing and high-performance street use, this sprocket is 100% CNC machined in the USA from specially formulated aluminum alloy to Vortex's exacting specifications.

Key Features:

• 45-tooth configuration for 520 pitch chain systems
• Precision CNC manufactured from lightweight aluminum alloy
• Anodized finish prevents corrosion and provides durability
• Unique patented tooth design increases sprocket longevity
• Fits aftermarket wheels with 5-bolt pattern: 10mm holes, 100mm PCD (Pitch Circle Diameter), 76mm sprocket ID
• Reduces rotating mass compared to steel sprockets for improved acceleration
• Developed and tested by professional race teams worldwide

Vortex Racing has been manufacturing premium motorcycle racing components in the USA since 1995, focusing on absolute quality and precision engineering. Each sprocket is crafted to the tightest tolerances using the best materials for racing applications, delivering the performance advantage demanded by champions.