Originally Posted by MIN

I can think of two benefits to using a road chain:
(1) less noise with a bad chainline because a road chain is more flexible sideways*
(2) you can use high quality, lightweight chains like an KMC X-SL which would save ~200gram or ~2/5 pound.

Originally Posted by idiq

MIN, go for the KMC X-SL! Worst case scenario you use it on one of your road bikes

Originally Posted by Aeroplane

Any chain that will work for a 1/8" drivetrain will NOT work on a road bike.