Stainless steel in wet contact with aluminium can cause faster galvanic corrosion of the aluminium than would be the case with Nickel free steels, and Zinc (galvanised) is even kinder to aluminium than plain steel. http://www.bssa.org.uk/topics.php?article=89
It's only really a problem if your drive train stays wet for a long time, e.g. outdoor storage. Road salt added to the mix will make matters worse in all cases.
Both chains come with spring clip master links
Stainless steel in wet contact with aluminium can cause faster galvanic corrosion of the aluminium than would be the case with Nickel free steels, and Zinc (galvanised) is even kinder to aluminium than plain steel.
http://www.bssa.org.uk/topics.php?article=89
It's only really a problem if your drive train stays wet for a long time, e.g. outdoor storage. Road salt added to the mix will make matters worse in all cases.