A Trail-Rated, carbon-bodied, 31.8mm stem for mountain bikers seeking best-in-class performance, response, and vibration absorption. The M6 stem is designed to complement the look and ride feel of the ENVE M5 and M6 handlebars. - Material: Carbon - Faceplate material: Aluminum - Hardware material: Titanium - Clamp Diameter: 31.8mm - Steerer Clamp Diameter: 1-1/8-inch - Torque Spec: 5.5Nm - Weight: 85g (40mm), 92g (55mm), 99g (70mm), 104g (85mm)