
Index Rear Derailleurs and set Front Derailleur limits using E-Tube Project
Learn how to set up your di2 front derailleur electrical limits and index or micro-adjust your di2 rear derailleur using E-Tube Project 4.

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.
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.

Learn how to set up your di2 front derailleur electrical limits and index or micro-adjust your di2 rear derailleur using E-Tube Project 4.

Micro-adjust your 10-speed and 11-speed road bike Di2 rear derailleur.

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.

What is a rear derailleur's total capacity, really? Why is there a top sprocket minimum? And what about front derailleurs? Chain line, total capacity, Top gear teeth? This page explains all of those, and more.

