Possible that the cable into the front shifter is not fully clicked the in? Bar tape moved a little and connection is lost. You wiggle it and the connection remakes?
When installing I left a little loop so there was not tension on the connection (after having no this problem)
Possible that the cable into the front shifter is not fully clicked the in? Bar tape moved a little and connection is lost. You wiggle it and the connection remakes?
When installing I left a little loop so there was not tension on the connection (after having no this problem)