Originally Posted by
Choke
I have a TA crank with their current production rings (30/46) and I am using a 9sp chain. It shifts like they were made for each other.
Yeah I was going to mention that maybe the current issue chainrings will handle narrower chains. Also it should be noted that TA is still going and you can buy brand new Cyclotouriste crankarms etc. They might even have a BB. There's a website somewhere. Not sure if it is French only.