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HOLLOWTECH II is a technology that allows the integration of the lower support axle into the right crankset. This translates into increased stiffness and better balance, increasing the comfort of your ride.
1-row
The single-row crank stands for high strength and high reliability. It provides effective support on ascents and allows maximum speed on level ground. It positively influences the comfort from the activity.
A system that connects the crankset arm to the bottom bracket axle. This technology gives greater rigidity and reduces the weight of the products.
HOLLOWTECH II
Hollowtech II is a technology developed by Shimano to improve crank mechanisms. This technology makes the mechanisms lighter, stronger and more efficient. A characteristic feature is the integration of one of the crank arms into the axle.
Shimano GRX crankset FC-RX610-1 40T 12rz 175mm black
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