Last month I was debating around Fulcrum 5, Quattro's and Campy Zonda as my wheel upgrade from Shimano RS10's. After a week I decided on the Zonda's. I thought that they just look better with the G3 spoke configuration and lighter than either Fulcrum wheel at 1,550g a pair compared to the Quattro's at 1,800g and the 5's at 1,760g. Even though Campy owns Fulcrum, my opinion having the Campy name on the wheel seemed to be just a better name to have on my CAAD10. The ride is phenomenally different from the RS10's, especially having Conti GS4000 tires on them. Bought on Wiggle, cheap compared buying in N.Am. and no tax or duty