The Ultegra R8050 GS medium 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 medium cage version supports 11-28T to 11-34T.
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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.
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.
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.
Shimano front derailleur and rear derailleur specifications... what do they mean, really? This page explains all of them, and why they matter.
