Shimano Ultegra FC-R8100 Crankset - 170mm 12-Speed 50/34t Hollowtech II Spindle Interface 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 FC-R8100 Crankset - 170mm 12-Speed 50/34t Hollowtech II Spindle Interface Black. An integral part of the Shimano Ultegra 12-speed road lineup the FC-R8100 crankset builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-speed shifting the Ultegra crank is now offered in a wide variety of lengths bringing performance and improved fit for smaller riders triathletes and riders with specific biomechanic requirements.Optimal balance of stiffness strength weight and rotational performance Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker more precise front 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 BB Included No Chainline/Hub Compatibility 130 Hubs Chainring BCD 110 Shimano Asymmetric Color Black Crank Intended Use Road Crank Length (mm) 170 Defined Color Black Drivetrain Speeds 12 Number of Chainrings Double Pedal Spindle 9/16" Rings 50/34 Spindle Interface Type Shimano Hollowtech II