Reimagined carbon crank is 300% stronger than Next-R cranks Patent pending insert redesign means loose inserts are a thing of the past Steel wear plate improves durability Versatile Cinch system offers interchangeable spiders, limitless ring combinations, swappable width 30mm alloy spindles, and full compatibility across all relevant frame standards 136mm wide spindle: 52mm chainline on bikes with Boost 148mm rear spacing (optional: use Shimano 12sp ring for 55mm chainline with 136mm spindle) Bottom bracket cups, spanner, and chainrings sold separately Designed, tested and manufactured in Race Face&';s Canadian facility 176mm Q-factor 475g (170mm) 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;} Model Era Length 160mm Direct Mount/BCD Cinch Configuration 1x Spindle Interface 30mm BB Shell Width 73mm Chainline 52/55mm Material Carbon Color Stealth