The Atlas 35 stem was designed to reduce overall system weight while retaining the proven stiffness and performance the Atlas line is known for.6061-T6 aluminumFour bolt bar clamp holds bar securely in positionInterlocking U-Shaped handlebar clamp geometryFaceplate eliminates stress risers which cause your bar to bend or breakOpposing bolts on steer tube clamp provides extreme clamping power while reducing stress on the steer tubeLaser etched logos 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) 0 Length 50 Bar Clamp Diameter (mm) 35.0 Color Black Rise 0mm,5mm Weight 181 Material Aluminum Defined Color Black S.H.I.S. Stem Clamp Diameter Direct Mount