Dutch cyclist Niki Terpstra suffered multiple injuries in a training crash in the Netherlands on Tuesday and was helicoptered to hospital, his wife said. Terpstra, of the French Total-Direct Energy team, is a multiple classics winner. He crashed while training near Lelystad. The rider's wife, Ramona Terpstra, confirmed the bad news to website cyclingnews.com. "Niki crashed hard today during a bike workout. He's in the hospital and will have to stay here for a few more days. He is not in mortal danger but will need time to recover," she said. The 36-year-old has won the cobbled classics Paris-Roubaix and the Tour of Flanders. bur/dmc/jc