Three-piece design Aluminum pre-loader Available in three lengths: 155mm, 160mm, 165mm Machined from 7075 T6 aluminum SRAM 8 bolt direct mount compatible only Spindle and Chainring Not included Compatible with Title CR1 spindle Compatible with SRAM DUB 29mm bottom brackets only 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 CR1 Length 160mm Direct Mount/BCD 8-Bolt Configuration 1x Spindle Interface Title BB Shell Width 68/73mm Chainline 52/55/56.5mm Material Aluminum Color Chrome