Quote Originally Posted by Dogmama
He said that putting corn starch on tubes to make them slip in is NOT a good idea because you don't want the tube moving inside of the tire & bending the valve around.
That is interesting. I've had 2 different bike mechanics recommend using baby powder when you're replacing a flat. I'm guessing that's equivalent to corn starch.

That is why this stuff can get frustrating, you can get conflicting instructions and each sound logical!