FSA Vision Energy Stem All The Energy You Need The stem is what connects your handlebars to the rest of your bike. The FSA Vision Energy Stem is made from 3D-forged and CNC-machined from AL2014. It features a 4-bolt sculpted SL faceplate. This stem is available in several different lengths and works with 31. 8mm handlebar clamp diameters. Features Material: 3D-forged and CNC-machined AL2014Compatible with 31. 8mm handlebar clamp diameters Bead blasted black with polished anodized black SPECIFICATIONSLength80, 90, 100, 110, 120, 130mm Rise6degBar Clamp Diameter31. 8mm Stack40mm Material AL2014Intended Use Road, Gravel, MTBWeight113g (100mm) | Fsa | Vision Energy Stem 31. 8X120Mm +/-6deg | Aluminum