have a miyata roadbike,frame little small for my long legs. if i get a stem extender,i'll be o.k. / now when i loosen the head of the stem ,part that contacts and wraps around the handle bars/ will the bars detach from stem, or do i have to take bar tape off brakes off scwirm the bars through the stem clamp?any help appreciated. basically i want to detach the bars from the stem. will the stem clamp point spread to pull bars away.