Built to Win. The latest iteration of Shimano's top-of-the-line Dura Ace R9100 road groupset represents the ultimate in system engineering. Each component enhances the features of other components for unmatched levels of performance. Optimizing inputs to ensure maximum performance. That's how you achieve superiority over others.
Features:
-The five largest laces are made of titanium, the smaller ones are made of durable steel, which contributes to low weight and high strength
-The spider is made of carbon and aluminum.
-Excellent chain flip precision even under load.
-Wide availability of gradations, including the new 11-30T, allows you to fit any riding style.
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