Vortex Racing V4 44 Tooth 525 Rear Sprocket - Black

The next generation of Vortex aluminum rear sprockets, V4 builds on the long-running CAT5 sprocket platform with a lighter, more aggressive design. Reduced rotating mass improves acceleration, throttle response, handling, and overallagility. Ideal for street, track, and performance applications.

• Excellent concentricity for smooth, quiet operation and efficient power transfer
• Precision-machined from high-strength 7075-T6 aluminum
• 10-15% Lighter than CAT5
• Manufactured in the USA

Upgrade your motorcycle’s final-drive performance with the Vortex Racing V4 44-Tooth 525 Rear Sprocket. Designed as the next generation of Vortex aluminum rear sprockets, the V4 builds on the proven CAT5 platform with a lighter, more aggressive profile. Reduced rotating mass can help improve acceleration, throttle response, handling, and overall agility, making this sprocket well suited for street riding, track use, and other performance applications.

• Excellent concentricity promotes smooth, quiet operation and efficient power transfer


• Precision-machined from high-strength 7075-T6 aluminum for a strong, lightweight construction


• 10–15% lighter than the previous CAT5 design to help reduce unsprung and rotating weight


• 44-tooth configuration is designed for motorcycles using a 525 chain drive system


• Black finish delivers a clean, performance-oriented appearance


• Manufactured in the USA

The Vortex Racing V4 rear sprocket is precision engineered to support reliable chain engagement and consistent power delivery. Its high-strength aluminum construction helps balance durability with weight reduction, while the carefully machined tooth profile supports smooth operation throughout the drivetrain. The result is a practical performance upgrade for riders seeking sharper response without unnecessary rotating mass.
Part number vtx840CZKV4-44 identifies this Vortex Racing sprocket configuration. Verify motorcycle fitment, chain size, and the required tooth count before installation. Proper installation, chain alignment, and final-drive adjustment are recommended to help ensure safe, quiet, and efficient operation.

Features:

• Excellent concentricity for smooth, quiet operation and efficient power transfer

• Precision-machined from high-strength 7075-T6 aluminum

• 10–15% lighter than the CAT5 design

• 44-tooth rear sprocket for 525 chain applications

• Black finish

• Manufactured in the USA