Shimano CUES Di2 RD-U8050 11 Speed Shadow Rear Derailleur, SGS Medium Cage

- Digital Integrated Intelligence or Di2: with programmed automatic motion at the touch of a switch. The Cues Di2 rear derailleur is quick, smooth and effortless, making for unmatched drivetrain efficiency no matter what the riding conditions
- Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift
- The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching
- Using Shimano's shadow technology low profile design
- Derailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts
- Aluminium pulley plates for weight saving and durability
- Specifically designed to work with 11-speed cassette and drivetrain
- Compatible with Q Auto
- 11-speed E-tube Di2 compatible
- Max low sprocket: 50T
- Total capacity: 39T (Di2 system limited)