
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 Medium Cage Rear Derailleuris perfectly suited to a wide variety of MTB applications, it delivers race-worthy performance without breaking the bank. The M8050 DI2 version offers the digital precision of SHIMANO electronic shifting.
It'll enable accurate and stable shifting in any condition, multi-shift and full synchronized shift support.
Note that if you want to use synchronized shifting with mountain bike derailleurs you will need either the SC-MT800 display or its XTR equivalent, the SC-M9051.
Its low sprocket max capacity is 42T for 2x11-speed setups and 46T for 1x11-speed setups. The max front difference is 10T and its total capacity is 35T.

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.

Indexing Di2 rear derailleurs is done through micro-adjustment. The MTB Di2 rear derailleur process is slightly different from that of road RDs. Read how to set up your MTB rear derailleur and stop that chain rubbing noise.

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.