Chainring Shimano ULTEGRA FC-R8100 34T-NK

ULTEGRA's FC-R8100 maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to. An integral part of Shimano's new 12-speed road lineup, the FC-R8100 crank builds upon Shimano's legendary front shifting and transmission efficiency.Optimal balance of stiffness, strength, weight and rotational performanceHOLLOWGLIDE structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shiftingTeeth: 34TB.C.D.: 110 mmCompatibility: FC-R8100, FC-R8100-PFor 12-speed