I'm not in a situation of money to do an upgrade without selling some of my vintage goods. I have no issues of spacing my vintage frame to 130mm...
I'm just wondering what the main advantage of a cassette is. Right now it seems higher quality vintage freewheels are starting to reach the price of new modern cassettes.
what is the mechanical advantage of a cassette to a freewheel? How about weight...?
The reason I ask is because in order to finance a modern set of cassette wheels I will have to sell a pair of NOS campy freewheel hubs. I'm not so attached to them but they were a nice gift.