Additional gear ratios: Dura-Ace remains 11sp “Yes!!” but can accommodate larger cogs with Shimano now offering a 11-30 cassette and the rear derailleur able to accommodate a 32T.
With the inclusion of the new 11-30T R9100 cassette, DURA-ACE expands gearing options further than ever.
- CFRP & Alloy spider arm, 5 titanium sprockets for lightweight performance
- Expanded Rider Tuned gear combinations:
- 11-25T, 11-28T, 11-30T (New), 12-25T, 12-28T
- Weight: 175g (11-25T), 193g (11-28T), 211g (11-30T), 189g (12-25T), 205g (12-28T)






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