Originally Posted by etherhuffer

But remember that when the rust is gone the underlying metal is happily waiting to oxidize. My solution to this on chrome is to immediately polish with Simichrome. Good product, repeat on chrome parts occasionally to keep them shiny.

Originally Posted by spclark

Reasonable approach. Another being simply to use a hard paste wax every so often to give the shiny bits a protective layer that prevents water vapor and oxygen from getting to the reactive iron underneath. That's the reaction you want to avoid, iron just loves marrying with oxygen to create rust.