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The optimal power transfer and performance of the electronic Shimano Dura-Ace R9270 Di2 groupset is unrivaled. The more stable, easy and intuitive shifting offers unmatched performance for the top of the Shimano range.
The Shimano Dura-Ace R9270 Di2 Disc 12v group is the top of the range where each component contributes to increasing the qualities of the others.
The study for the optimization of the forces applied for maximum performance has made possible the birth of this group, where the easy and precise adjustment of its components allows easy and intuitive shifting for advanced control in all driving conditions.