Originally Posted by georges1

I have always used mechanical shifting even the 1992 Altus c10 Transmission on my Giant Tourer works like a swiss watch, same with my 1991 raleigh with its campy record synchro II 7speed down tube shifters to be upgraded and even my 1992 Peugeot with its sl 7700 dura ace 9 speed shifters to be upgraded . Even with the fully XT780-T transmission on my mountain bikes ,it shifts amazingly fast. I have tested the mavic mektronic and the ZMS but wasn't convinced back then. Quality cabling is a mandatory with mechanical derailleurs