Vortex Racing V4 45 Tooth 520 Rear Sprocket - Black
$94.99
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 45-Tooth 520 Rear Sprocket, part number vtx170ZKV4-45, is engineered for riders seeking responsive drivetrain performance without unnecessary weight. Its precision construction helps maintain accurate chain alignment and smooth engagement, while the lightweight aluminum design reduces mass at the rear wheel. Whether used for everyday street riding, track days, or other performance-focused applications, this sprocket delivers a practical balance of strength, reduced weight, and reliable power transfer.
- 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
The Vortex Racing V4 rear sprocket builds on the proven CAT5 platform with a lighter, more aggressive design for street, track, and performance riding applications. This 45-tooth sprocket is designed for 520 chain setups and helps reduce rotating mass, supporting quicker acceleration, improved throttle response, sharper handling, and enhanced overall agility. Its black finish provides a clean, performance-oriented appearance suitable for a wide range of powersports applications.
- Excellent concentricity promotes smooth, quiet operation and efficient power transfer
- Precision-machined from high-strength 7075-T6 aluminum for dependable performance
- 10–15% lighter than the Vortex CAT5 sprocket platform
- Manufactured in the USA to support consistent quality and fit
The Vortex Racing V4 45-Tooth 520 Rear Sprocket, part number vtx170ZKV4-45, is engineered for riders seeking responsive drivetrain performance without unnecessary weight. Its precision construction helps maintain accurate chain alignment and smooth engagement, while the lightweight aluminum design reduces mass at the rear wheel. Whether used for everyday street riding, track days, or other performance-focused applications, this sprocket delivers a practical balance of strength, reduced weight, and reliable power transfer.
Features:
- 45-tooth rear sprocket for 520 chain applications
- Lighter, more aggressive V4 design based on the CAT5 platform
- Excellent concentricity for smooth and quiet operation
- Precision-machined from high-strength 7075-T6 aluminum
- 10–15% lighter than the CAT5 sprocket
- Black finish for a clean, performance-oriented appearance
- Manufactured in the USA