Also to note: Besides width & shape, handlebar bar clamp diameter's can come in different sizes, esp from different munufacturers (26.0mm, 25.4mm, 26.4mm...etc). You need to match up the same size bar w/ the same size stem for the correct fit, no matter what shape bar you're looking to get.
Handlebar & Stem Dimensions
Originally Posted by
Bianchigirll
I know guys who would not use anything but a Cinelli Mod 64 even if they were given solid gold bars to use.
^^^....

Way too heavy that gold!