Three-time world champion Peter Sagan settled for sixth place
The 29-year-old Kittel took advantage of an excellent lead-out from his Katusha team to claim his first win of the season ahead of world champion Peter Sagan
Team Sky and Wiggins have strongly denied the claims and say any medication they have used has been for legitimate reasons and within UCI and World Anti-Doping Agency rules
A damning report by lawmakers on Monday said Wiggins and Team Sky had crossed an "ethical line" by using drugs to enhance performance and not just to treat medical need
The report said MPs believed that triamcinolone, used to treat asthma, "was being used to prepare Bradley Wiggins, and possibly other riders supporting him, for the Tour de France".
A report by the Digital, Culture, Media and Sport (DCMS) committee of the House of Commons, accused Wiggins and other Team Sky riders of using the drug triamcinolone.
America's Chloe Dygert stormed to a new world record in the women's pursuit
The 35-year-old Wild saw off Denmark's Amalie Didericksen and Rushlee Buchanan of New Zealand in the four-discipline omnium
Froome is competing in the race from May 7-13 despite revealing in December an abnormal doping test on last year's Vuelta.
A more challenging route and a new running event has been added this year
UCI chief David Lappartient said last month that Froome should be suspended over the adverse test
Police raided several premises in the Tuscan town of Lucca and detained the team owner, a former sports director, and a pharmacist
Froome will be part of Team Sky's line-up for the five-day stage race in Andalusia, southern Spain, which runs from February 14 to 18
Although salbutamol is permitted in certain doses, the four-time Tour de France winner gave a urine reading of twice the allowed limit
Lappartient said that regardless of Froome's innocence or guilt, until he is either exonerated or found to have broken the rules, fans will not give him the benefit of the doubt