Vortex 921AZLV4-40 VTX Aluminum Rear Sprocket 40-Tooth

The Vortex 921AZLV4-40 is a lightweight 40-tooth aluminum rear sprocket engineered for performance-focused riders seeking a direct OEM replacement or upgrade. Manufactured by Vortex Racing, a trusted name in the powersports industry, this sprocket is precision CNC-machined from high-grade aluminum alloy for an optimal balance of strength and weight reduction.

Key Features:

• 40-Tooth Configuration – Provides a precise final drive ratio tuned for acceleration and top-end performance
• CNC-Machined Aluminum Construction – Lightweight design reduces unsprung rotational mass for improved handling and throttle response
• Hard Anodized Finish – Resists corrosion, wear, and the elements for long-lasting durability
• Precision Laser-Cut Teeth – Ensures smooth, consistent chain engagement and extended chain life
• Direct Bolt-On Fitment – Engineered to match OEM mounting specifications for straightforward installation
• Vortex VTX Series – Part of Vortex's performance sprocket lineup trusted by racers and street riders alike

Vortex rear sprockets are a popular upgrade for riders looking to fine-tune their motorcycle's gearing without adding unnecessary weight. The aluminum construction offers significant weight savings over steel sprockets, making this an ideal choice for track day enthusiasts and performance street riders. Always replace the front sprocket and chain simultaneously for optimal drivetrain performance and longevity.