I must be missing something completely here, but I just saw this vid, and apart from the fact that FS means they can do fully sick big jumps, all I could think was that looks looks like a track for full rigid and semi slicks...
[youtube]https://www.youtube.com/watch?feature=player_embedded&v=TDEynv8_LgE[/youtube]
[youtube]https://www.youtube.com/watch?feature=player_embedded&v=TDEynv8_LgE[/youtube]