.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;} Insert compatible tubeless Presta valves with removable core Tapered elliptical stopper ensures air tight seal on all rims Self locking valve nut has a captured o-ring to prevent loosening Tap Cap stays securely fastened and has a twist and pull design 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 model Universal+ alloy length 37mm color black valve presta insert compatible yes package pair