Originally Posted by
HillRider
Well, if "preworn" means they only last 40,000 to 50,000 miles, I'll take them. The difference in shifting performance between the old style "flat" chainrings and the newer shaped, ramped and pinned chainrings is night and day.
It's All aboput the Quality of the Material Hillrider, you know that. Campy Chainrings of yore were "regular" as it can get , but seemed to last and last and last

If the OP gets 40-50,000 miles out of his cranks , Great for Him !!!!!