A total bike fit has more to do with the saddle, handlebars, brake levers and hoods, stem, shoes, cleats and pedals. In this video we primarily are concerned with bike rider adjustments rather than different equipment.
Bicycle expert John Crook from Lancaster, Ohio uses laser lights to help understand myths regarding handlebar and seat placements.
According to John the center of gravity and balance across the bike are the most important aspects in creating the optimal riding position. FYI: My 2008 Trek Road bike 2.1 was professionally fit at the time of purchase.
Get the whole story in this 9 minute video.
Tip: To get the most out of your road bike, get a proper bike fit from your bicycle shop owner. I hope this video enlightens you so you may ask better questions during your professional bike fitting.