Developed for racing use and optimized for off-road use, the APRC system represents the ultimate in electronic control management, offering a complete package capable of ensuring maximum safety in everyday road use and improving performance when used on the track. The RS 660 has the latest APRC (Aprilia Performance Ride Control) electronic control package consisting of an advanced six-axis inertia platform which, thanks to its accelerometers and gyroscopes, can recognize in real time the condition of the motorcycle in relation to on the road, supporting performance and making driving safe and exciting.