Vortex 144AZRV4-40 VTX Aluminum Rear Sprocket 40T

The Vortex 144AZRV4-40 is a 40-tooth aluminum rear sprocket from Vortex Racing's VTX series, engineered for riders who demand precision, durability, and weight savings over stock steel sprockets. Vortex is a globally recognized leader in motorcycle performance sprockets, supplying teams and riders across MotoGP, World Superbike, and the amateur racing community alike.

Key Features:

• 40 Teeth – Direct replacement or gearing upgrade for fine-tuning acceleration and top speed
• Lightweight Aluminum Construction – Significantly reduces unsprung rotational weight compared to steel sprockets for improved throttle response
• VTX Series Design – Features Vortex's precision CNC-machined aluminum with lightening cutouts for maximum weight reduction without sacrificing strength
• Hard Anodized Finish – Provides corrosion resistance and extended service life
• Precision CNC Machined – Tight tolerances ensure smooth, quiet chain engagement and consistent performance
• Direct OEM-Style Fitment – Designed as a bolt-on replacement for compatible motorcycle applications

The Vortex VTX aluminum rear sprocket is a popular upgrade for sport bike and performance motorcycle riders looking to optimize their drivetrain. Pair with a Vortex front sprocket and high-quality chain for a complete drivetrain package. Always verify chain pitch compatibility (520, 525, or 530) with your specific application before installation.