Vortex 251AZKV4-49 VTX Aluminum Rear Sprocket 49T

The Vortex 251AZKV4-49 is a 49-tooth VTX Series aluminum rear sprocket engineered for performance-oriented motorcycle applications. Vortex Racing is a globally recognized manufacturer of precision-machined drivetrain components, and the VTX line represents their commitment to delivering lightweight, durable alternatives to heavy OEM steel sprockets.

Key Features:

• 49-Tooth Configuration – Provides a performance-tuned gear ratio for improved acceleration or top-end optimization depending on application
• Lightweight Aluminum Construction – CNC-machined from high-strength aluminum alloy, significantly reducing unsprung and rotating mass compared to stock steel sprockets
• Hard Anodized Finish – Resists corrosion and wear, extending sprocket life under demanding riding conditions
• Precision CNC Machining – Tight tolerances ensure smooth chain engagement, reduced drivetrain noise, and even wear across all teeth
• Direct OEM Replacement Fitment – Designed as a bolt-on upgrade with no modifications required
• Vortex VTX Series – Part of Vortex's performance street and track-focused sprocket lineup

Ideal for riders looking to fine-tune their motorcycle's power delivery, the Vortex VTX aluminum rear sprocket offers a measurable weight savings over factory sprockets while maintaining the strength and precision needed for both street and track use. Compatible with standard O-ring, X-ring, and Z-ring chains appropriate for the application.