I have been riding a GT Diamondback mountain bike for leisure/exercise on the bike trail along the rivers for the last 6yrs. I'd prefer mtn bike for extra effort per distance, my theory on cardio workouts. But curiosity about road bikes led me to this entry level Shimano 2200. Yeah, it's from BikesDirect.com. What do y'all pro riders think?
30+ miles of bike trails in my city along the 2 rivers.


30+ miles of bike trails in my city along the 2 rivers.