ULTEGRA's new FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options.
รายละเอียดสินค้า
TECHNOLOGIES
FEATURES
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
52-36 and 50-34 chainring options. 160, 165, 170, 172.5, and 175 mm crank arm lengths.