Pro Taper ACF Handlebar MX CR HighCarbon Core: Unlike traditional carbon fiber fabric, unidirectional carbon fiber is unwoven. Its fibers run parallel to one another in a single direction. This allows the fibers to lay completely flat with no gaps between them. These densely concentrated fibers provide unidirectional carbon fiber with maximum longitudinal tensile strengthtypically twice that of a traditional carbon fiber weave. ProTaper ACF Handlebars use a revolutionary