Originally Posted by Kevlarr
410 IS the heavy duty chain that everyone switches to, 415 is the junk Chinese chain.
Not trying to sound know it all here but standard #410 chain is just typical single speed bicycle chain, there is a heavy duty #410 but it is still not nearly as good as heavy duty #415 chain, that is why I was asking the question.
KMC Z410 1/8" CHAIN
KMC HEAVY DUTY CHAIN (410H)