No categoryVideo: Roczen Red Bull Straight Rhythm practice – 250 Yamaha! Jonathan McCready3 years ago1 mins Facebook Twitter WhatsApp Messenger Email See how Ken Roczen got on during practice at the Red Bull Straight Rhythm on his Pro Circuit 250 Yamaha: Post navigation Previous: Video: Colt Nichols on the factory HondaNext: Rumour: Maxime Grau heading to BT Husqvarna?