Originally Posted by
HillRider
You realize that brake levers (and/or shifters) for flat bars have a different clamp diameter and configuration than those for drop bars and the stem's handlebar clamp diameter may be different so plan on changing them also. The conversion from drop to flat bars is not completely straightforward.
Oops. I think I misspoke. I meant road bike bars (with drops) that are flattened slightly on the top, providing (for some) a more comfortable grip:
