Originally Posted by
soyabean
When in doubt, buy the "more expensive" one.
Chains usually differ with different platings, they say for "corrosion resistance".
It's not like one chain will be heavier than another, or steal watts.
Most of the time it's the appearance that bugs folks. Some like flat black, flat silver, semi-lustre chrome, pretty chrome, pretty gold.
Actually some of their chains are heavier than their others. Chains with "SL" in the model name are lighter than non-SL chains.