Originally Posted by RH Clark

I avoid all cable tension issues by using friction shifters. I own several bikes with indexed shifters that work fine but I prefer the simplicity and function of friction. All you need do is make sure the derailleur is mounted properly and set upper and lower limits. If there is any rubbing after the shift, you simply adjust the trim using the shifter. I can see the benefits of indexed shifting if racing, but for everything else friction is vastly superior IMHO.