i think they choose a 300v System , because it´s much easyer to keep things like the controller cool down.
Btw. the motor inside the freeride is from the german Heinzmann Group.
https://www.heinzmann.com/jdownloads/elektrische-und-hybridantriebe/CAT_Elektrische_Antriebe_Produkt_Katalog_d.pdf#page=5