Industry Nine&&';;s A-Series mountain bike stems are crafted from domestically-sourced 7075 aluminum billet into a svelte design achieving a nexus of form and function. Using advanced manufacturing techniques honed over decades in their CNC machine shop they continue their tradition of offering riders uncompromising components.The A35 and A318 utilize either a 35mm or 31.8mm handlebar clamp diameter providing 180 degrees of contact on the stem body for twist-free security that will play nice with both alloy and carbon barsStainless steel hardware ensures everything stays in place and looks great regardless of mud-blasting washes or rainforest climates TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Stem Angle (deg) 8 Length 30 Rise -4.4 Material Aluminum S.H.I.S. Stem Clamp Diameter 28.6 Bar Clamp Diameter (mm) 31.8 Color Bronze Weight 127 Defined Color Brown Stack Height 40