Nitto Technomic forged aluminum stems will fit 26.0 handlebars and 25.4mm handlebars with shim Features: Forged aluminum 26.0mm stems will fit 26.0 handlebars and 25.4mm handlebars with shim Shim not included Quill Insertion Diameter: 25.4mm for 1-1/8" stems and 22.2 for 1" stems 125mm range from minimum insertion to max insertion; 160mm from minimum insertion to top of quill Specs: MaterialAluminum Bar Clamp Diameter (mm)26.0mm Defined ColorSilver S.H.I.S. Stem Clamp Diameter22.2-24tpi Quill Length60mm Stem Angle (deg)-18deg ColorSilver Substitutes: SM1151, SM1171