Real Men ride Mountain Bike for long rides, In the Hardest Gear only uphill.
among the hundred of reasons why "ROAD" bikes are better for longer distance on ROAD, unless its a long distance on a trail, then I would want a trail bike and not a road bike or many its a long cycle-cross course and then I would want a cycle-cross bike, Kind of a mix between the two..
oh and one slight differance...
Road Bike Tire

Mountain Bike Tire
__________________

Keep your Knees in the Breeze
"Only two types of Whiskey I don't like, Dick and Throttle" - A Wise Man.