Ключевые слова: active, air, attempt, bicycle, bike, biker, body, boy, buy, buyer, caucasian, child, childhood, cycle, equipment, fabric, father, girl, gym, hand, happy, health, healthy, kid, life, little, many, market, modern, parent, people, person, pressure, production, prove, purchase, repair, rider, rode, sale, shop, sport, store, test, tire, training, tyre, wheel, workshop, young,