The SRAM CenterLine rotor design provides a smooth consistent and quiet running braking surface. Rounded edges make for easier wheel installs and are UCI-compliant.Rounded edges are UCI-compliant and allow for easier wheel installsCompatible with both road and mountain bike brakes6-bolt hub interfaceIncludes steel rotor bolts 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;} Rotor Size (mm) 180 Rotor Type One Piece Pad Compatibility All Pad Compounds Hub/Disc Compatibility 6-Bolt Size 180Mm Thickness 2.0Mm