.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;} SRAM AXS enabled for easy personalization Orbit chain management technology keeps drivetrain quiet and secure A single rear derailleur for all gearing combinations, including 1x and 2x Improved motor and signal travel for faster shifting Larger X-SYNC pulleys and ceramic bearings for increased durabilityand efficiency Compatible with existing eTap batteries Battery not included SRAM Model ID: RD-RED-E-D1table{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 SPECSMax Front Difference13TMaximum Cog33TMinimum Cog10TPrimary ColorBlackCageMediumSpeed12MountStandard