Vortex Racing VTX Aluminum Rear Sprocket - 775AZRV4-50

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.

Excellent concentricity for smooth, quiet operation and efficient power transfer

Precision-machined from high-strength 7075-T6 aluminum

Vortex Racing V4 50 Tooth 520 Rear Sprocket - Red

50 Tooth 520 Rear Sprocket - Red

10-15% Lighter than CAT5

Manufactured in the USA