Ключевые слова: activity, adult, bicycle, bike, biker, brake, broken, chain, check, cycle, cyclist, equipment, fix, fixing, gear, hand, lifestyle, maintenance, male, malfunction, man, manual, master, mechanic, mechanism, modern, one, outdoor, park, parts, people, person, profession, professional, recreation, repair, service, single, sport, steel, technician, tire, tool, transmission, tyre, wheel, work, worker, young,