I'll go out on a limb here and post a question / assertion on the list. Did Suntour pioneer the silver (nickel-plated) freewheel, sometime after the winner series was introduced in 1975 ?? I frankly don't remember seeing silvered stuff in the 1970's at all. I took a quick look at the catalogue archive on bulgier.net and couldn't find anything on production bikes.
I think the first suntour winner freewheels were actually oro models - i have one - but they quickly changed into silver models, maybe at the end of the decade of the 1970's.
If this is true, then unfortunately, a silver Regina Extra freewheel would not be good for a period-correct 1968 masi ...
- Don Gillies San Diego, Ca
P.S. all my bikes use silver suntour winner drivetrains, these are great parts. However, i recently got a regina freewheel and the sound is just so "Breaking Away" i tend to coast a little just to hear the classic clicking (not a subtle tick, like a suntur, a load click, like change jingling on one's pocket) that this freewheel makes ...