New Campagnolo Bora Ultra WTO and Bora WTO wheels are wider and lighter but disc-brake only bikeradar.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from bikeradar.com Daily Mail and Mail on Sunday newspapers.
The Italians claim a new drop-shaped profile between the rim and the tyre optimises airflow and control, resulting in a 13% reduction in headwind resistance compared to previous models