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The pinnacle of Shimano road technology and innovation, the new 12 speed Dura-Ace Di2 R9200 is Shimano's 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-Elysees or crushing your local climb.
Manufacturer part # | IRDR9250A | IRDR9250F |
---|---|---|
Cage | Long cage | Long cage |
Speed | 12 | 12 |
Largest cog | 34t | 34t |
Weight | 215g | 215g |