So I just got an old chrome Raleigh and in some spots the Chrome has an allmost orange , brown rusty tinge to it. It does not appeaer pitted and there is clear dlleniation lines were it starts and then is perfectly clear. This is on several spots on bike. Any thoughts-advice beyond the mild detergent-WD40 to clear it up or what to avoid so it does not get worse.

Thanks
Jim
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