The Ducati Desmosedici is a four-stroke V4 engine racing motorcycle made by Ducati for MotoGP racing. The series nomenclature is GP with the two-digit year appended, such as Desmosedici GP10 for 2010. From Wikipedia
The six-time MotoGP champion will replace Enea Bastianini, teaming up with reigning champion Francesco Bagnaia on a two-year contract.