3D Forged and CNC machined AL7050 aluminum`UD` Unidirectional Carbon Fiber skin applied through CSI process4-bolt sculpted AL2014 alloy/carbon faceplateTitanium Hardware31.8mm Bar clamp122gRoad Threadless1-1/8`9031.8+/-6°BlackCarbonCarbonUPC/EAN/GTIN: 400310062024