Shimano GRX RD-RX815 Rear Derailleur - 11-Speed Long Cage BLK With Clutch Di2 For 1x 2x

.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-RX815 Rear Derailleur - 11-Speed Long Cage Black With Clutch Di2 For 1x and 2x. 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 34 Color Black Rear Der/Shifter Compatibility Shimano Road Di2 Rear Derailleur Mount Type Shimano Rear Direct Mount Rear Derailleur Mount Type 10x1 Standard Drivetrain Speeds 11 Weight 287 Chain Wrap Capacity (teeth) 38 Cage Length Long