The guys at the , the 2011 Aprilia RSV4 will see the introduction of Aprilia’s traction control system (ATC). The 2011 Aprilia RSV4 will make its extra horsepower by raising the cylinder compression ratio via high compression pistons, and using a different timing chains. Other changes include a different exhaust can (smaller), and gearing changes (taller: 1st, 2nd, 3rd, shorter: 4th, 5th, 6th, with a larger 42 tooth rear sprocket).