Originally Posted by
mastermartymo
wondering if the shifter is shot? It is not a strong big ring index
if you suspect the shifter, it probably needs a good cleaning and lubing. I’ve rehabilitated many Ultegra shifters. In my cases, the shifters would not click, or would do so erratically. It’s an easy job, and can be done while mounted in the bars. Let me find a helpful video that I used. Standby.