After a seven-year hiatus, Aprilia returns to the World Superbike fray in 2009 with a brand-new bike and two big-name riders. On the day that their new V-4 racer made its public debut at Portimao, SuperbikePlanet spent some quality time with Aprilia's chief racing engineer, Gigi Dall'Igna. Points of discussion ranged from the whys and wherefores of the new RSV4, the riders who'll pilot the bike, Aprilia's chances at a WSBK title in 2009, and of course, the infamous Aprilia Cube MotoGP bike, which Gigi Dall'Igna had a huge part in.

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