FSA K-Force Compact Carbon Road Bicycle Handlebar (Black/Gray - 31.8 x 44) Double width single cable groove improves stiffness and fatigue life Continuous UD carbon/kevlar composite construction Kevlar reinforced and textured clamping areas 110mm wide center section for mounting clip on bars and accessories FSA road handlebars are measured from center to center of the drops. Due to the outward angle of the drops, FSA road handlebars will be narrower in the brake hoods than the drops