Ключевые слова: acrobatic, action, activity, air, balance, bicycle, bicycle extreme, bicycle ramp, bicyclist, bike, bike jump, bike springboard, bike trick, biker, biking, bmx, bmx cycling, boy, cycle, cycling, cyclist, editorial, extreme, freestyle, freestyle bike, fun, helmet, jump, jumping, leisure, male, man, motorcycle, performance, person, ramp, ride, rider, skatepark, sport, street, stunt, teenage, trial, trial biking, trick, urban, wheel, young, youth,