What is the engine displacement of Aprilia RS457?

The upcoming Aprilia RS457 will get a 440cc parallel-twin, liquid-cooled engine, which is expected to deliver around 48 bhp. The engine will be paired to a six-speed gearbox, with a quick-shifter, and the top speed is expected to be around 180 kmph. Expect the motorcycle to have features like dual-channel ABS, TFT screen with smartphone connectivity and rider aids such as ride-by-wire, traction control and so on. In terms of cycle parts, the Aprilia RS440 is likely to get USD fork up front, a monoshock at the rear, twin-spar frame along with disc brakes and lightweight alloy wheels.