Send no money.
Go to the pantry.
Get the aluminum foil.
Bunch up a piece and then wet it with water.
Rub.
Buff with a cloth.
Amazing. Fast. Excellent results. Conforms to almost any surface.
I did a five minute test and was amazed how easily some very
questionable areas cleaned right up. This is the best news my bike has
heard in a long time.
found at:
http://www.howtofixbikes.ca/2006/08/how-to-remove-rust-on-chrome-bicycle.html
HTH,
dean