Whats Shimano Flight Deck all about? There is a ribbon cable inside and what seems to be a button by the thumb of the shifter. What is it for? : r/bikewrench
Jammed / bad shifting Shimano Ultegra ST-6700 10 speed shifter. Full rebuild. - YouTube
Shimano Ultrega 9 Spd shifters with Flight Deck Computer - bicycle parts - by owner - bike sale - craigslist