The Shimano DURA-ACE Shadow Rear Derailleur is an 11-speed derailleur that features synchronized shift and a low-profile (Shadow) rear derailleur design.
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It allows for ergonomic shifting operation without stress, race endurance for less damage in crash and maintains compact and smooth appearance.
The short cage total capacity is 33 teeth, with a low sprocket range of 30T-25T and a **top sprocket range **of 14T-11T. The **max front difference **is 16 teeth.
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.
Do you have small hands? Or extra large hands? Read this page to figure out how to change your Shimano Di2 shift lever (or shifter) reach.
Shimano front derailleur and rear derailleur specifications... what do they mean, really? This page explains all of them, and why they matter.
Current and previous Shimano Di2 road, mtb and gravel (grx) groupsets feature Synchronized Shifting. Learn what it is, how to set it up and tweak it.
