Right the SC-MT800 has 3 Di2 ports and can replace the junction box or be plugged into the Di2 network like a D-Fly is wired. The unit doesn’t connect to a bike computer. It does support Bluetooth for firmware updates.
Originally Posted by
NoWhammies
@
jmess wait. So the cables that were running in to the junction box now run in to the SC-MT800? Or does this gadget need the Bluetooth connectivity?