Originally Posted by
JakiChan
I like to think my Specialized Sirrus Comp is pretty road-ish. Road tires, but MTB gearing. I can't imagine what would make it much slower than a road bike, really, other than weight. But based on what I've measured, it's about 10-ish lbs heavier than a road bike. I am working on taking that 10lb off my butt rather than the bike...but we'll see what happens when I get my road bike in the November/December time frame.
Also, road bikes tend to be stiffer than most other bikes... Making more efficient transfer of power from you to the ground...