Shimano Ultegra RD-R8150F Di2 Rear Derailleur - 12-Speed Medium Cage Includes TL-EW300 BLK

.top{margin-bottom:30px;}.top li{margin-left:5%;margin-right:5%;margin-top:10px;line-height:120%;list-style-position:outside;}Shimano Ultegra RD-R8150F Di2 Rear Derailleur - 12-Speed Medium Cage Includes TL-EW300 Black. With the fast and accurate Di2 shifting technology the Shimano 12-speed Ultegra RD-R8150 rear derailleur is extremely versatile thanks to a single cage length option compatible with 11-28 11-30 and 11-34 cassettes.Compact design includes an integrated wireless unit charger switch Wider range capacity Max. low sprocket 34t LED status indicator Battery indicator pairing adjust mode etc. 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 SPECSLargest Cog 34Rear Der/Shifter Compatibility Shimano Road Di2Rear Derailleur Mount Type Shimano Rear Direct MountRear Derailleur Mount Type 10x1 StandardDrivetrain Speeds 12Chain Wrap Capacity (teeth) 39Cage Length MediumColor Black