Vortex 120AZK42 Rear Aluminum Sprocket Sprockets - 42-Tooth

The Vortex Racing 120AZK42 is a rear aluminum sprocket designed for motorcycle applications where lightweight performance and precise power transfer are critical. Vortex Racing is a well-regarded manufacturer in the motorsports and powersports industry, known for producing high-quality drivetrain components favored by both track-day enthusiasts and professional racers.

This sprocket is manufactured from high-grade aluminum, significantly reducing unsprung rotating mass compared to steel alternatives, which contributes to improved throttle response and handling feel. The 42-tooth configuration is a popular gearing choice for optimizing acceleration or top-speed balance depending on application.

Key Features:

• 42-Tooth rear sprocket for fine-tuned gearing adjustment
• Lightweight aluminum construction reduces rotational mass for improved performance
• Precision CNC-machined for consistent tooth profile and long chain life
• Anodized finish for corrosion resistance and durability
• Designed to OEM dimensions for direct-fit installation
• Part of the Vortex Racing performance drivetrain lineup

The 120AZK series sprockets from Vortex Racing are engineered to meet the demands of both street and competition use, offering a reliable and performance-oriented upgrade or replacement over stock sprockets.