Bought a new Di2 rear derailleur and need some help installing it? Read how to install the RD-R8050 / RD-R9150 / RD-6870 / RD-9070 Di2 rear derailleurs.
Short Cage Shadow Rear Derailleur
The Ultegra R8050 SS short cage rear derailleur is compact and designed to protect the shifting operation in the event of a crash.
It features ergonomic shifting without stress, supports synchronized shift and has a low profile design.
The short cage version supports 11-25T to 11-30T.
Installation by Free To Cycle
Youtube mechanic Free To Cycle has a pretty good RD-R8050 Installation video on his channel.
Alternatively, head over to the installation guides section of the site for all of my installation guides.
- Model code: RD-R8050-SS
- Series: Ultegra (R8050)
- Weight: 240g
- Speeds: 11
- SD50 ports: 1
- Max front difference: 16T
- Total capacity: 33T
- Low sprocket max: 30T
- Low sprocket min: 25T
- Top sprocket min: 11T
- Top sprocket max: 14T
- Pulley teeth: 11
- RD type: Shadow RD
- Clutch: No
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Indexing, trimming, or fine-tuning Di2 rear derailleurs is done through micro-adjustment. Read how to set up your Di2 rear derailleur perfectly and ride without those grinding noises.