ACF-50 Motorcycle And Automotive All Metal Anti-Corrosion. So…. where would one start with this review……This is one of those things you MUST have when you own a bike or car or let’s face it any metal object that’s see the rain lol. ACF 50 is one of them things we make sure we have and use at least yearly. So what is ACF-50 you may ask, and a simple reply is the BEST spray can Anti Corrosive on the market. It’s the goto can of water repellent and protection system you use for taking care of your bike. It was …