Britain's Bradley Smith has been named in Aprilia's 2021 MotoGP squad alongside Aleix Espargaro and Lorenzo Savadori.
It is believed the final decision on who will ride for the season will be made after winter testing, and the spare wheel will be the team's test rider.
“It’s no secret that we offered three young riders an opportunity because we felt that our project could be very interesting for talented young riders, but they did not yet feel ready for the leap and, at the same time, the teams that have already signed them for the 2021 season preferred to keep them," said team boss Massimo Rivola.
We respectfully acknowledge their decision. We prefer to continue with our riders, rather than choosing solutions that are still open but about which we are not entirely convinced. Even in the difficult conditions of this season, particularly penalising for a fledgling project, the bike improved greatly and significantly reduced the gaps both in the races and in practice on basically all the circuits.
"Aleix finished on a high note and, even in the race yesterday, was lapping with the same times as the leaders. Lorenzo has also shown significant progress in just three races and we know that we can count on Bradley’s professionalism and experience. Aleix will obviously be our top rider. The roles of second rider and test rider will be decided at the end of the winter test schedule.”