Shimano GRX RD-RX817 Rear Derailleur - 11-Speed Long Cage BLK With Clutch Di2 For 1x

.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}Shimano GRX RD-RX817 Rear Derailleur - 11-Speed Long Cage Black With Clutch Di2 For 1x. GRX RD-RX815 Di2 Rear DerailleurOperates with Shimano Di2 for digital electronic shifting Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting 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 Largest Cog 42 Color Black Rear Der/Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 11 Weight 318 Chain Wrap Capacity (teeth) 31 Cage Length Long