Ключевые слова: action, active, adventure, athlete, background, bicycle, bicycling, bike, biker, biking, competition, country, creek, cycle, cycling, cyclist, dirt, downhill, exercise, extreme, fit, fitness, grunge, hobby, lifestyle, man, mountain, mtb, mud, nature, outdoor, pattern, people, person, race, racer, rain, ride, river, road, splash, sport, spring, summer, texture, tire, trail, travel, water, wheel,