Shimano DURA ACE Di2: the science of speed

Shimano takes years to give you seconds. The pinnacle of Shimano technology and innovation, the new 12-speed R9200 DURA-ACE is their fastest ever. Speed was the driving force behind this next-generation road group. That’s why every component was refined, designed and fine-tuned to make you faster – whether you’re sprinting to the finish on the Champs-Élysées or crushing your local climb.

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