BMX biker flying jump Photography by Dimitar Hristov - 54ka Abstract acrobatics action adrenaline air athlete bicycle bike biker biking bmx BMX Bike bmx biker boy competition cycle cyclist danger dirt dirt-jump dirtjump extreme extreme bmx finale flying flying jump free freestyle gloves hard Helmet high jump man person rail Ramp Ride silhouette skatepark skills sky spin sport stunt tabletop teenager trick x-treme xtreme xtreme jump young youth