Corrosion sucks. It creeps its way into every nook and cranny of your machine and causes all sorts of mayhem. That is why we really dig this stuff from S100. Clean the hell out of your bike, then spray it on and rub into the areas you want to protect. This corrosion protector seems to almost bind to surfaces needing it them and keep them protected for a very long time. To take a look at this wonderstuff and more good bike cleaning and detailing products go to: s100.com