Ключевые слова: action, adult, athlete, bicycle, bicyclist, bike, biker, biking, bmx, boy, cool, cycle, cyclist, danger, dangerous, dirt, exercise, extreme, fly, freeride, freestyle, fun, helmet, jump, leisure, lifestyle, male, man, mountain, mtb, outdoors, pedals, person, play, rider, riding, risk, sky, speed, sport, street, stunt, teen, teenage, teenager, trial, trick, urban, wheel, young,