Vortex 642AZB-38 Aluminum Rear Sprocket 38 Tooth

The Vortex 642AZB-38 is a high-performance aluminum rear sprocket featuring 38 teeth, designed for riders seeking reduced rotating mass and improved acceleration. This sprocket is 100% CNC machined in the USA from lightweight 7075-T6 aluminum alloy, providing exceptional strength while reducing weight compared to steel sprockets.

Key Features:

• 38 tooth count for optimized gearing performance
• CNC machined from 7075-T6 aluminum for strength and light weight
• Black anodized finish for corrosion resistance and durability
• Vortex patented tooth design for improved chain hold and release
• Manufactured to tight tolerances for precision fit
• Reduces rotating mass to improve throttle response and acceleration

Vortex Racing has been manufacturing premium motorcycle racing components since 1995. Each sprocket features their signature design with optimized tooth profiles that increase longevity and performance. The lightweight aluminum construction aids in putting more power to the pavement by reducing rotational inertia.