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 43-tooth configuration is designed for compatibility with 520 chain systems and can help fine-tune final-drive performance when paired with the appropriate front sprocket and chain. Its precision construction promotes consistent chain engagement and dependable power delivery during everyday riding or demanding track sessions. Always verify fitment, chain size, tooth count, and drivetrain specifications for your motorcycle before installation.
Built for riders who want responsive handling and efficient power transfer, the Vortex Racing V4 rear sprocket combines lightweight 7075-T6 aluminum construction with precise machining and proven Vortex engineering. Install with the manufacturer’s recommended torque specifications and inspect the chain and related drivetrain components during service to support safe, reliable operation.
- 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 drivetrain with the Vortex Racing V4 43-Tooth 520 Rear Sprocket, part number vtx840AZKV4-43. Developed as the next generation of Vortex aluminum rear sprockets, the V4 builds on the proven CAT5 platform with a lighter, more aggressive design. Reduced rotating mass helps improve acceleration, throttle response, handling, and overall agility, making this sprocket well suited for street riding, track use, and performance-focused applications.
- Excellent concentricity supports smooth, quiet operation and efficient power transfer
- Precision-machined from high-strength 7075-T6 aluminum for durability and reliable performance
- 10–15% lighter than the Vortex CAT5 sprocket design to help reduce unsprung and rotating weight
- Black finish provides a clean, performance-oriented appearance
- Manufactured in the USA by Vortex Racing
The 43-tooth configuration is designed for compatibility with 520 chain systems and can help fine-tune final-drive performance when paired with the appropriate front sprocket and chain. Its precision construction promotes consistent chain engagement and dependable power delivery during everyday riding or demanding track sessions. Always verify fitment, chain size, tooth count, and drivetrain specifications for your motorcycle before installation.
Built for riders who want responsive handling and efficient power transfer, the Vortex Racing V4 rear sprocket combines lightweight 7075-T6 aluminum construction with precise machining and proven Vortex engineering. Install with the manufacturer’s recommended torque specifications and inspect the chain and related drivetrain components during service to support safe, reliable operation.
Features:
- 43-tooth rear sprocket for 520 chain applications
- Precision-machined from high-strength 7075-T6 aluminum
- 10–15% lighter than the Vortex CAT5 design
- Excellent concentricity for smooth, quiet operation
- Efficient power transfer and reduced rotating mass
- Aggressive V4 design for street, track, and performance use
- Black finish
- Manufactured in the USA