Vortex Racing V4 45 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 combines durable construction with weight-conscious engineering for riders seeking responsive handling and dependable performance. Its 45-tooth configuration is intended for compatible 520 chain applications, making it a practical choice for replacement drivetrains, track setups, and performance-focused motorcycle builds. The black finish provides a clean appearance while complementing a wide range of motorcycle styles and components.
Before installation, verify chain size, rear sprocket fitment, mounting pattern, and final-drive requirements for your motorcycle. Changes in sprocket gearing can affect acceleration, top speed, engine speed, and chain length. Install the sprocket according to the motorcycle manufacturer’s service procedures and inspect the chain and front sprocket at the same time for wear. The Vortex Racing V4 45-tooth 520 rear sprocket is supplied as one sprocket and is engineered for riders who want a lightweight, precisely manufactured replacement or performance upgrade.
- 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 45-tooth 520 rear sprocket, part number vtx775AZKV4-45. Designed for street, track, and performance applications, this aluminum sprocket builds on the proven Vortex CAT5 platform with a lighter, more aggressive profile. Reduced rotating mass helps improve acceleration, throttle response, handling, and overall agility while supporting efficient power transfer to the rear wheel.
- Excellent concentricity promotes smooth, quiet operation and consistent drivetrain performance.
- Precision-machined from high-strength 7075-T6 aluminum for a strong, lightweight design.
- Approximately 10–15% lighter than the Vortex CAT5 sprocket to help reduce unsprung and rotating weight.
- Manufactured in the USA to meet the performance demands of motorcycle riders and racers.
The Vortex Racing V4 rear sprocket combines durable construction with weight-conscious engineering for riders seeking responsive handling and dependable performance. Its 45-tooth configuration is intended for compatible 520 chain applications, making it a practical choice for replacement drivetrains, track setups, and performance-focused motorcycle builds. The black finish provides a clean appearance while complementing a wide range of motorcycle styles and components.
Before installation, verify chain size, rear sprocket fitment, mounting pattern, and final-drive requirements for your motorcycle. Changes in sprocket gearing can affect acceleration, top speed, engine speed, and chain length. Install the sprocket according to the motorcycle manufacturer’s service procedures and inspect the chain and front sprocket at the same time for wear. The Vortex Racing V4 45-tooth 520 rear sprocket is supplied as one sprocket and is engineered for riders who want a lightweight, precisely manufactured replacement or performance upgrade.
Features:
- 45-tooth rear sprocket for compatible 520 chain applications
- Precision-machined from high-strength 7075-T6 aluminum
- Approximately 10–15% lighter than the Vortex CAT5 sprocket
- Excellent concentricity for smooth, quiet operation
- Reduced rotating mass helps improve acceleration, throttle response, handling, and agility
- Aggressive V4 design for street, track, and performance use
- Manufactured in the USA
- Black finish