Quote Originally Posted by Kerry Irons View Post
Beg to differ. When I ride the rollers during the winter, I put on a couple of thousand miles and the chain develops minimal black gunk, doesn't need lubrication (remains quiet and smooth), and wears very little. My dedicated roller bike has over 10K miles on the chain indoors and it had a full outdoor season on it before it became a roller bike.

Out on the road, I need to do my home brew clean-lube routine every 350-400 miles before the chain starts making noise. It is the road grit that is the source of the black gunk and therefore the primary cause of wear.
Hmmmm. I wouldn't have thought dirt and road grit would be that color. I guess I stand corrected.