Providing services and diagnostic for Shimano Di2 groupset for all E-tube (except Dura Ace 7970)
Upgrade to latest firmware.
Configure multi shift
Configure syncro shift
Upgrade/Downgrade* 6770 to version 2.5.2 with multi shift but remain capability to run 11 speed RD without changing shifters, FD, battery and junction boxes.
*Shimano doesn't allow mix and match 10 and 11 speed components, if you have upgraded beyond 2.6. Here is the chance to downgrade to save cost.
Also providing mechanical / Di2 installation for road bikes.
Just chat if you have any problem with your road bike. I will tell you if it's can be done or not.