Vortex 251AZGV4-45 VTX Aluminum Rear Sprocket 45T

The Vortex 251AZGV4-45 is a high-performance 45-tooth aluminum rear sprocket from Vortex Racing's VTX series. Engineered for motorcycle racing and performance street applications, this sprocket is precision-machined from lightweight, high-strength aluminum to provide an excellent balance of durability and weight savings over a stock steel sprocket.

Key Features:

• 45-Tooth configuration for optimized acceleration and gear ratio tuning
• Precision-machined from high-strength 6061-T6 aluminum for a significant weight reduction vs. steel
• Anodized finish for corrosion resistance and long service life
• CNC-machined for tight tolerances and smooth, consistent chain engagement
• Part of Vortex's trusted VTX Sprocket Series, widely used in club racing and track applications
• Designed for direct OEM replacement — no modifications required

Vortex is a leading manufacturer of racing sprockets trusted by professional and amateur riders worldwide. The VTX aluminum sprocket series delivers reliable performance and precise fitment, making it an ideal upgrade for riders looking to fine-tune their drivetrain gearing or reduce unsprung rotational weight.