Spain's Carlos Checa rode the Ducati GP12 at Jerez, but they're yet to publicly unveil the bike.

The Ducati Test Team, directed by technical director Filippo Preziosi, has completed three days of testing on the Spanish circuit of Jerez.

Superbike World Champion Carlos Checa and Franco Battaini rode for Ducati in the test, followed by in the pit garage by team manager, Vittoriano Guareschi.

The two riders completed a shakedown of the GP12, which will be tested in two weeks by the official riders, Valentino Rossi and Nicky Hayden.

During the three days, in which weather conditions were cold but fortunately dry , the work program was completed without any problems enabling the team to complete all checks in preparation to start the winter tests in Sepang, Malaysia from 31 January until 2 February.