Description: Shimano FC M580 HOLLOWTECH II Crankset. The LX chainset features an external bottom bracket system- which is a lightweight rigid design that is incredibly strong- and durable. This integrated design (package includes cranks- spindle- and bearing cups) significantly shaves weight and increases rigidity for a difference you can feel on the trail. The LX Hollow tech II chainset offers the features and benefits of the pro level XTR to the sports rider at an affordable price point.
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