SpeedBox 1.2 B.Tuning for Shimano (E8000, E7000, E6100, E5000)

It’s very easy to install the SpeedBox tuning kits. We have prepared instructions and videos for your convenience. You can do it in a few minutes.

Installation video:

Printable instructions for download: Text, graphics EP8, SpeedBox App

Photo tutorial: in progress

FAQ: in progress