Ключевые слова: 2011, athlete, bicycle, bike, biker, challenge, change, circle, curve, cycle, endurance, event, exchange, fight, hacecky, hall, hallenstadion, indoor, lead, leader, madison, men, nights, performance, proferssional, professional, profi, race, racer, riders, riding, set, shoot, shot, sixday, sixdaynights, speed, sport, start, switzerland, team, track, victory, win, wooden, zrich, zuerich, zurich,