15% lighter and stiffer than the previous model Now featuring a self-extracting axle-to-arm interface, simplifying fitting and removal Forged and CNC machined 7075 series aluminum alloy crank arms Unique expanding spline/arm interface Versatile spline mount for chainring/spider 30mm oversized axle Weight: 641g (arms, axle and 34 tooth spiderless ring) TECH SPECS table{border-collapse:collapse;width:auto;max-width:100%;} td{text-align:left;padding:12px;font-weight:350;word-wrap:break-word;} 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;} Model Evo Length 155mm Direct Mount/BCD Hope Configuration 1x/2x Spindle Interface 30mm BB Shell Width 68/73mm Chainline 49/52mm Material Aluminum Color Red