.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}Hope Oval Spiderless Retainer Chainring - 30t Boost Hope Direct Mount Black. Hope Oval Spiderless Direct Mount Retainer chainrings are specifically designed for use with Hope cranksets and have a narrow/wide tooth configuration designed for 1x10 1x11 and 1x12spd setups without the need of a chain guide.Compatible with 9 10 11 and 12 speed set-ups CNC machined 7075-T6 aluminum provides the perfect blend of lightweight and strength Offset to give a perfect chainline Provides a quieter drivetrain and reduced drag 12% ovality and 113-degree clocking Not suitable for use with Shimano 12-speed chain and quick links 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 Chainline/Hub Compatibility 141/148 Boost Hubs Chainring BCD Direct Mount Hope Color Black Defined Color Black Direct Mount Type Direct Mount Hope Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Material Aluminum Ring Position/Type Chain Retaining Single Ring Round or Oval Oval Tooth Count 30