Celestino Vietti Ramus is an Italian motorcycle rider competing in Moto2 for Red Bull KTM Ajo. He is also a member of Valentino Rossi's VR46 Academy.

Ajo Motorsport is a Finnish Grand Prix motorcycle racing team, currently competing in the Moto2 and Moto3 classes under the name Red Bull KTM Ajo. The team's founder and principal is former racer Aki Ajo. His son, former racer Niklas Ajo, is also involved in the team as crew chief and race engineer in the Moto3 programme.