<p><b>Specification:</b></p> <p>Material: aluminium alloy 6061(for red II and black II)<br /> Material: aluminium alloy 7075(for red and black )<br /> Color: black/red<br /> Weight of red II and black II: 156g/5.5oz <br /> Weight of red and black: 165g/5.8oz <br /> Handlebar diameter of red II and black II: 31.8mm(1 1/4 inch) or 35mm (if you take off the spacer)<br /> Handlebar diameter of red and black: 31.8mm(1 1/4 inch)<br /> Front fork steer tube diameter: 28.6 mm (1-1/8 inch)<br /> Length of red II and black II (center to center) : 70 mm<br /> Length of red and black (center to center) : 80 mm<br /> Angle: angle plus or minus 17 degree depend on the way of installation (for red II and black II)<br /> Angle: angle plus or minus 7 degree depend on the way of installation (for red and black )<br /> 3D forged alloy construction,lightweight design high-strength<br /> Suitable for AM XC FR mountain bike BMX and road bike</p> <p> <b>Package:</b> 1 x 31.8mm bike stem</p>