but it does have chain tugs and they could've initially bent slightly, but not any longer.
it's not stretching a lot, it's just my first non-derailleur bike and i'm surprised at how much a chain stretches at a few hundred miles / month.
it's just an interested process to watch.
looking through the earlier photos in this thread is interesting. i put about 50 more miles on it and there's been a slight loosening in the chain