FSA Omega Stem A great stem for the value, the FSA Omega Stem is 3D forged and machined from 6061 " T6 aluminum. It is a nice and simple stem, and pretty lightweight considering the price. Slap it on your bike and get to pedaling greatness! FSA Omega Stem Specifications Bar Clamp Diameter: 31.8mm Color: Black Defined Color: Black Length: 130mm S.H.I.S. Stem Clamp Diameter: 28.6 Stack Height: 40 Stem Angle (deg): +6 deg , -6 deg Weight: 154g | FSA Omega Stem Black, 80, 84/96, 31.8