Originally Posted by
frantik
well the silicon spray has a solvent which is used to deliver it.. i sprayed in there till it was dripping out of the things... they seem like something changed but they still dont shift right
spray silicone is a whole heck of a lot more evil than wd40. WD40 isn't the right thing for anything, but it's rarely completely, utterly the wrong thing. Spray silicone is absolutely, utterly and completely the wrong thing to use on a shimano brifter.