Joined: May 2009
Posts: 273
Likes: 48
From: Brazil, Londrina PR
Bikes: Kona Unit, Kona Kahuna, Kona Dew DL, Scott Big Jon, Trek Checkpoint ALR4, KHS Urban Soul, Haro Team Issue, GT Force Expert Carbon, Bernardi Quadra.
The Trek Checkpoint may be the bike you're looking for, it has sliding dropouts so it can be easily converted to a single speed. Trek sells the carbon frame and fork as far as I know.