STEM FSA KFX ST 110mm -12d 31.8 BKFeatures-The KFX Stem is 3D forged and CNC-machined from AL2014 alloy that is then 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, with many of the benefits of aluminum and carbon-35mm clamp stack height-Titanium hardwareItem Specifications-Material:AL2014/Carbon-Type:Road-Color:Black-Length:110-Angle:-12°-Bar Clamp:31.8-Fork Dia:1-1/8`