low to mid $xxxx I like the name because it's broad enough to be a portal for various extreme sports.
Giode, the problem I see with developing this name is that a lot of traffic will bleed out to ExtremeSports.com, since thats how people usually refer to it as.
But even otherwise, this is a nice mid-high x,xxx name here.
I like the name, and would also appraise it somewhere in the mid $x,xxx region. To echo most of the above posters, i'd also suggest developing, so good luck with that
In regards to supercross.com getting a 7.5M dollar offer, based on a quick research i highly doubt that -- I could be wrong, of course. In any event, good luck with the site. You should update this thread when the site is launched
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