Material : CrMo Steel Width : 700mm Rise : 10mm Sweep : 20 deg. Center diam. : 25.4mm Bar diam. : 22.2mm Color : Silver & Black Attention : Skid proof and clear coating are applied as a final treatment on this item and the actual size is wider than the diameter on the each size description. Please be aware of the installation of the stem, levers, and lock-type grips which have very severe inner diameter.