FSA KFX -12° Stem 12 x 90mm BlackThe FSA KFX -12° Stem is 3D forged and CNC-machined from AL2014 alloy for mountain riding. Then it’s combined with a carbon structure using FSA CSI (Carbon Structural Integration) technology. CSI is a process that permanently bonds carbon to alloy to create a true hybrid product, utilizing the many benefits of aluminum and carbon. There is titanium hardware, a clamp diameter of 31.8mm, and a clamp stack height of 35mm. Weighs only 143g for the 100mm length. Riders have the option to run this stem at + or -12° to suit their riding style. Available in 12 x 60mm, 12 x 70mm, 12 x 80mm, 12 x 90mm, 12 x 100mm, and 12 x 110mm. Available in Black.840031066459