Originally Posted by
taras0000
Efficiency because of less surface contact area? Or because 9/10 speed chains have better implemented tech to make the chains more efficient? I could see that Shimano and other chain producers focusing more on premium 10 speed chains compared to their 1/8tj offerings.
And they are probably cheaper and more accessible than the boutique 1/8" chains with coatings that are being offered now.
It's "free speed", I guess.