The long-awaited announcement from MotoAmerica should make Twins Cup racers excited ? assuming you’re riding an RS 660.
Begin press release: 

Piaggio Group Americas is pleased to confirm the approval of the 2021 Aprilia RS 660 to race in the Twins Cup Championship in MotoAmerica, North America?s premier road racing series.
The RS 660 offers a brand-new 100-bhp 660cc parallel-twin engine, which launches a new generation of lightweight, performance-dedicated motorcycles, featuring sophisticated design, with modern technology. Aprilia’s competition experience provides an exceptional chassis and rider geometry, as well as leading electronics for the twins-class category. Aimed to provide the perfect blend of performance and pleasure on the street for owners, the RS 660 is now ready to compete with MotoAmerica?s best racers. Mario Di Maria, President and CEO, Piaggio Group Americas

?The RS 660 represents a new era of motorcycles for us at Aprilia. Today, we are very happy to offer the opportunity to American teams to race MotoAmerica?s Twins Cup with this incredible machine. The racetrack is and always will be the home of Aprilia, and the RS 660 reflects very well the origins of the brand, capable of winning 54 World Titles while building motorcycles for very passionate riders. We look forward to starting this new adventure, giving a unique opportunity to a new generation of racers and hopefully champions too.?
Wayne Rainey, MotoAmerica President

?We are excited ...