.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}SRAM GX DH Rear Derailleur - 7-Speed Medium Cage Black with Clutch A3. The SRAM GX DH Rear Derailleur is easy to shift incredibly precise and keeps the unwanted noise of chain slap to a minimum. Designed as an affordable yet full-featured part of the DH drivetrain system.Roller bearing clutch in the pulley cage pivot for better chain control Cage Lock mechanism for easy wheel changes 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 Rear Derailleur Mount Type 10x1 Standard Rear Der/Shifter Compatibility SRAM X-Actuation Cage Length Medium Drivetrain Speeds 7 Color Black Chain Wrap Capacity (teeth) 30 Largest Cog 28