Vortex Racing V4 43 Tooth 520 Rear Sprocket - Black
$92.99
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.
The Vortex Racing V4 rear sprocket is engineered for riders who want responsive power delivery without unnecessary rotating weight. Its precision construction supports consistent chain engagement and helps maintain efficient drivetrain operation under demanding riding conditions. The 43-tooth gearing offers a performance-oriented replacement option for compatible motorcycles using a 520 chain, while the aluminum construction balances strength with reduced mass.
Built for applications ranging from everyday street motorcycles to competition-focused machines, the Vortex Racing part number vtx839AZKV4-43 delivers the quality and fitment precision expected from a purpose-designed powersports component. Confirm motorcycle compatibility, chain size, and gearing requirements before installation. Professional installation is recommended to ensure correct alignment, torque, and drivetrain setup.
- 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 43-tooth 520 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 helps 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 dependable performance
- Approximately 10–15% lighter than the previous CAT5 design
- Black finish provides a clean, performance-focused appearance
- Manufactured in the USA
The Vortex Racing V4 rear sprocket is engineered for riders who want responsive power delivery without unnecessary rotating weight. Its precision construction supports consistent chain engagement and helps maintain efficient drivetrain operation under demanding riding conditions. The 43-tooth gearing offers a performance-oriented replacement option for compatible motorcycles using a 520 chain, while the aluminum construction balances strength with reduced mass.
Built for applications ranging from everyday street motorcycles to competition-focused machines, the Vortex Racing part number vtx839AZKV4-43 delivers the quality and fitment precision expected from a purpose-designed powersports component. Confirm motorcycle compatibility, chain size, and gearing requirements before installation. Professional installation is recommended to ensure correct alignment, torque, and drivetrain setup.
Features:
- 43-tooth rear sprocket for compatible 520 chain applications
- Precision-machined 7075-T6 aluminum construction
- Approximately 10–15% lighter than the CAT5 sprocket design
- Excellent concentricity for smooth, quiet operation
- Reduced rotating mass for improved acceleration and handling response
- Aggressive V4 profile designed for street, track, and performance use
- Black finish
- Manufactured in the USA