Originally Posted by
HillRider
While brake housing does work as shift housing, particularly for friction shifting, I hope you are aware that index shifting housing should NEVER be used for brakes. Brake housing has tight spiral wound reinforcing wire which give it great burst strength. Index shift housing has it's reinforcing wires in a very open spiral that provides better length stability but poor burst strength.
Have you told her saddles come in colors also?

Thanks for the tip on shifter cable.
She has a big wide seat on the bike that she recently put on. Looks like a torture device to me but she likes it.