Ключевые слова: 2011, americaine, athlete, bartko, bicycle, bike, biker, challenge, circle, curve, cycle, danilo, endurance, event, fight, german, hall, hallenstadion, hondo, indoor, leader, men, nights, performance, prepare, proferssional, professional, profi, race, racer, riding, rober, set, sixday, sixdaynights, speed, sport, switzerland, team, track, victory, win, wooden, zrich, zuerich, zurich,