.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;} The TRP R1 2.3mm 1-piece 6-bolt thick rotor is designed specifically for DHR and E-MTB brakes only. For DHR and E-MTB only 2.3mm thickness provides 47% increased torsional stiffness and 8% better cooling capacity Design reduces vibrations and increases stiffness and power Rotor wear indicators Includes 6 stainless steel bolts Rust Blocker Treatment If your new rotors are a different size than the ones you&';re replacing, then you&';ll need new brake adapters! Check out our guide to getting the right brake adapters to spend less time on the computer and more on the trails. 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 ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;} TECH SPECS Hub/Disc Compatibility 6-Bolt Disc Pad Compatibility All Pad Compounds Rotor Size (mm) 180 Rotor Type One Piece