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:

Year	Make	Model	Submodel
2007	Aprilia	Pegaso 650 Trail	Base
2025	Aprilia	RS 457	Base
2008-2009	Aprilia	SL 750 Shiver	Base
2025	Aprilia	Tuono 457	Base