I build my own wheels. After having several sets of Mavic wheels and nothing but problems with the freehub I bought a King hub, I liked it so much I bought another one and built new wheels for my SS also! I know some guys running the I9's, they are crazy loud! Maybe there is an option to quiet them up, not sure. Seem to be pretty good wheels though, pricey, and there is a wait but everyone I know that has them seem to pretty happy with them. The same goes for everyone I know with a King hub though, no problems and happy. Lots of good options available now, which is good.