Chromag's direct mount Director stem sets the standard for exquisite machining detail. Light weight and solid, with a wide clamping stance, the three piece design weighs in at a slim 150 grams. - Boxxer / Fox / 888 direct mount system - 3D profile machining - 50mm wide clamping stance - 47mm extension - Low rise (-5mm) - 31.8 (Oversize) bar clamp