Originally Posted by
fabioromeu
About performance, I wonder what would happen if we put someone like Lance Armstrong on a bike with the 2200. Would he be much slower because of that?
Yes, he'd be slower. One of the improvements as you up the group scale is in the bearing surfaces. The better groups will have polished cone races.
Based on what hub components Shimano used, Tiagra would be the approximate equivalent to your 10 year old Alivio.