Originally Posted by PaulRivers

What's rediculous is your assertion that a mountain bike will max out at 35mph. I don't know what it is offhand, but the threshold is much lower than that. If you've been reading the threads lately, you've seen several people say that being in excellent biking shape they can keep up with roadies on their mountain bike (not all the roadies, but the middle of the pack usually, or just people who aren't in as good of shape as they are) - but they run out of gears. And since the OP mentioned running out of gears, yeah, I think that might be a problem (though running out of gears with a 13mph average does seem odd).