I have a Da Vinci Symbiosis e-assist mountain tandem with a Shimano EP8 motor. I have a 1 x 11 drive and I'm trying to add a Di2 rear derailleur. After I connected my derailleur to the motor and the left assist switch and right shifter switch I get an Error Code E-030. If I disconnect the...
I had an 11-46 on a da Vinci Symbiosis e-tandem and it worked good for everything...except the 16% climb we had to do everyday at the end or our rides. An 11-51 solved the problem and I didn't have to add any links to my drive chain. although we don't use the 51 much, it's always there...one...