Road handlebars are divided into traditional (constant curve), anatomical and compact. There are other branches that can bear the names: deep or shallow, deep folds in the first case and the second characterized by a sharp turn, are better suited for large athletes, the first, or to women, the latter.
For the MTB have the flat, riser, low riser. Another important element is the depth of the handlebar (reach) and height (drop). In the MTB Rise (height), the regression (Backward), and the conformation of the extremities that can be more or less that can be raised (upward). Finally, the width of the handlebar. Here is a list of the main conformations