UNIT HAS SC PROJECT SC1-R FULL SYSTEM, Carbon Fender, Brake Oil Cover, Tank Pad, & XL Windscreen INSTALLED. The RS 660 is a masterpiece of technology and advanced electronics. Its active electronic controls and racing-derived aerodynamics complete with winglets provide plenty of thrills on road and track alike while the sporty 105-hp twin-cylinder engine and contained weight make it capable of performance that is simply unrivalled in the category and set a new standard of sportiness. Breathtaking to behold, it is the perfect embodiment of Aprilias essence in terms of innovation, sportiness and Italian design.