The Shimano Dura-Ace R9150 DI2 derailleur is a high-end product, designed to offer excellent performance and exceptional durability.
- Quick and smooth front shifting, even with high pedaling power
- Programmed chain guide adjustment settings
- Possibility of use in full or semi SHIMANO SYNCHRONIZED SHIFT modes
- Ergonomic and effortless gear shift operation
- Maximum resistance for Endurance races
- Compact and linear appearance maintained