The oversized version of BSD's Dropped stem. The Stacked OS stem features BSD's gorilla grip system which has a larger 25.4mm clamping diameter to work with Oversized handlebars. The stem clamping area diameter is increased from 7/8" (22.2mm) to 1" (25.4mm). This increase in diameter gives 14% more clamping area than on regular 7/8" handl...