Originally Posted by
Chuck M
Actually Koyote's mention of the STI cables does make me want to consider replacing them on my bike with them. All of my other bikes through the years have not had STIs and have had friction shifters where it is easy to see if there was a fraying or damaged cable. I think what he described is a classic out of sight out of mind thing that I will look into.
Occasionally, when it shreds inside the shifter, the whole STI lever needs to be replaced. Tip: if it stops shifting, DON'T keep clicking the lever -- that just shreds it more, and raises the odds of a much more expensive repair. Just get home and deal with it.