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The Shimano Ultegra Di2 RD-R8050 Rear Derailleur features a redesigned body that increases shift stability and improves the aesthetics delivering a sleek, integrated appearance. With the new optimized slant angle of the rear derailleur, the new Di2 ensures smooth, silent, and effortless electronic shifting.
The Shimano Ultegra Di2 RD-R8050 Rear Derailleur is available in two sizes, the Short Cage SS version will accept up to a 30T rear sprocket, while the Medium Cage GS version will accept up to a 34T sprocket.
- Redesigned rear derailleur features low-profile sleek body with optimized slant angle.
- Shimano Synchronized Shift technology ensures you're always in the optimal gear placement.
- RD-SS covers 11-25t to 11-30t.
- RD-GS covers 11-28t to 11-34t.
- Claimed weight: 242g (SS), 249g (GS).
Ordered by Most Relevant First
I've had this for a few weeks and so far it is Flawless. It shifts great and gives you the ability to have an 11-34 cassette which works great in the Denver area where we love to climb mountains.
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