[待更新] 10fifty Mountain Biking Holidays in Chamonix and Les Arcs France. The finest mountain bike holidays including the mountain biking tour of Mont Blanc, cycling across 3 countries. Riding across France, Switzerland and Italy, with big climbs and big downhills. The 10fifty mountain bike holiday website has information on all aspects of mountain bike holidays in Europe.ire to offer the serious mountain biker an unforgettable, uncompromised and fun holiday experience....