Aprilia has been conspicuously absent from the middleweight and lightweight Grand Prix classes since the elimination of two-strokes. However, Aprilia has been active in the MotoGP class since 2015 and is currently campaigning with Aleix Espargaró and Andrea Iannone.

Team Gresini, which works with Aprilia Racing, participates in Moto2 and Moto3, though not on Aprilia machinery. Now, working on getting young riders into road racing and connected to the brand, the 2020 Aprilia RS 250 SP is being offered for sale.
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https://ultimatemotorcycling.com/2019/12/05/aprilia-rs-250-sp-road-racers-for-young-riders/