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Shimano's RD-R9100 Dura Ace Rear Derailleur uses a low-profile Shadow design that keeps it more closely tucked beneath the cassette for more stable shifting and reduced likelihood of being damaged in a crash. It also allows the upper pulley to maintain a consistent distance from the cogs across all gears for more precise shifting on wider-range cassettes.
Compatible with Shimano 11-speed road groups.
- Low-Profile Shadow RD Design
- Largest Cog Size: 30T
- Minimum Cog Size: 11T
- Maximum Chainring Difference: 16T
- Total Capacity: 35T
Ordered by Most Relevant First
Excellent derailleur, excellent service
Replaced broken derailleur, my fault. New unit is exception. Clean sharp shifts and very smooth operation in every way. Simply the best. Shimano is proud of their product and price is always on the high side. Great deal with BTD and ordering and shipping is esy and swift. Plus points adds to the value.
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