Aprilia has settled on the Step 1 specification of its RS-GP machine to start the 2015 MotoGP season but, with one test remaining, is still seeking a solution to Marco Melandri's woes. Making its Factory MotoGP return one year earlier than initially planned, Aprilia will use an upgraded version of its ART Open class machine this season. An all-new bike will then debut for 2016. Aprilia brought two different 2015 RS-GPs for the opening test at Sepang, a Step 1 bike that made its debut during testing in November plus a new Step 2 design. Melandri and team-mate Alvaro Bautista both preferred the Step 1, struggling for feeling and grip due to different weight transfer characteristics on the...
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