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Shimano Dura-Ace R9100 11 Speed Groupset BuilderShimano’s Dura-Ace R9100 11-Speed Groupset is favoured by most of the teams in the pro peloton and is the pinnacle of Shimano’s mechanical range. It has been re-engineered for optimal weight savings, maximum energy output, and minimal friction. All the components work seamlessly together to give you the edge on race day Use our START BELOW button…
