Chromag director stemchromags director stem is a direct mount stem that sets the bar for superb machining detail the three piece cnc machined stem is solid and lightweight with a wide clamping stance and weighs only 150g featuresboxxer direct mount system standard with most double crown forks3d profile machining50mm wide clamping stance47mm extensionlow rise 5mm318 bar clampweight 150gbuy chromag components from chain reaction cycles the worlds largest online bike store