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The two-row crankset is all about providing robust stiffness while reducing weight. It will enable you to achieve optimum cadence, significantly increasing your comfort when riding on more demanding terrain.
HOLLOWTECH II crank standard
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.
Shimano FC-RS520 50-34T 12rz 172.5mm crankset black
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