Originally Posted by Carbonfiberboy

Most bikes have one. If you do the adjustment correctly, you may never need to use it at all. I don't. The FD cable seems to be short enough that cable stretch is less of a problem than with the rear. You probably could benefit by replacing your cables and housings before you adjust things. If you do it yourself, the critical thing is to get the housing ends cut clean and square. This is not easy to do without the proper tools. Check the Park website for instructions.