Vortex 120AZR42 Rear Aluminum Sprocket Sprockets

The Vortex Racing 120AZR42 is a rear aluminum sprocket designed for motorcycle applications where lightweight performance and precision are essential. Vortex Racing is a well-respected manufacturer in the powersports industry, known for producing high-quality drivetrain components trusted by both competitive racers and performance street riders.

Key Features:

• 42-Tooth Count – Optimized tooth count for balanced acceleration and top-end performance
• Lightweight Aluminum Construction – Reduces unsprung and rotating mass compared to steel sprockets for improved throttle response
• Precision CNC Machined – Manufactured to tight tolerances for smooth, consistent chain engagement and extended component life
• Hard Anodized Finish – Provides corrosion resistance and surface hardness for long service life
• Direct OEM Replacement – Engineered for precise fitment without modification
• Vortex Racing Quality – Trusted by professional and amateur racers on tracks worldwide

The 120AZR42 rear sprocket is part of Vortex Racing's AZR series, featuring a 120-pitch chain compatibility and 42 teeth. Aluminum sprockets offer a significant weight savings over steel alternatives, making them a popular upgrade for track and performance street use. Replace at regular intervals or whenever a new chain is installed to ensure optimal drivetrain efficiency and safety.