well....im not TOO concerned about weight considering I do various 20-40 miles rides on a freaking Mountain Bike! I think anything other than my Trek 6500 would be grand considering my bike is not made for road riding lol. A guy I know is selling a 2006 K2 Mach 2.0 for a mere $300 and maybe I should pick it up. I am looking for something to do a century and hang with the local riders at the nearby cycling club. How am I sounding**********