Originally Posted by
elcyc
I’m talking BRAND NEW chainring teeth, not worn ones.
Seems like those from about 12 years and before were more squared off.
Hmm… does this have anything to do with better meshing with MODERN chains?
There used to be what was known as cross-chaining but Shimano fixed that by going to 1x sawtooth chainrings and 12-speed cassettes.