The speed 40c wheelset all the technology of world tour wheels in a clincher version if you donrsquot like riding on tubular tyres or are looking for more peace of mind against punctureshellip now you have an option without missing out on anything the rim a 3k carbon rim 40 mm high wider cross section etrto 17c 242 mm outside width 3k carbon braking track with 3diamanttrade treatment to guarantee power and excellent feel when braking in any condition hubs smoothness will en