Originally Posted by
tellyho
Excellent. I'll poke around for one. I don't know much about Campy, though. How do I distinguish thin from otherwise?
The thick cups have a threadlike design lining the spindle hole to keep the bearing grease from seeping out:
http://velobase.com/ViewSingleCompon...m=119&AbsPos=5
The thin cups do not have this feature, and are a bit thinner in this same area, hence the "thin cup" term.
-Kurt