
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 XT Di2 M8070 Down Swing Front Derailleur is fully compatible with Synchronized Shift mode and offers accurate, stable front 2x11 shifting. It delivers increased power over mechanical versions and rider-programmable shift mapping.
One of the Di2 displays is required in order to use synchronized shift. Your derailleur will work fine without a display, but synchro-shift will not function.
The SC-MT800 display and its XTR equivalent, the SC-M9051 are your best options here.

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.

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.

