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.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021-2025 | Aprilia | RS 660 | Base |
| 2023-2024 | Aprilia | RS 660 Extrema | Base |
| 2025 | Aprilia | RS 660 Factory | Base |
| 2021-2024 | Aprilia | Tuono 660 | Base |
| 2022-2025 | Aprilia | Tuono 660 Factory | Base |
