Howdy,
My name is Bruce Rinnert & I just joined/was admitted to the list. I have been enamoured with lightweight bikes since the 1960s (yep, another old fart). Really got involved in the 1970s in Missoula, Montana which was a very kewl cycling center at the time - learned mechanicing and frame building. My greatest accomplishment & honor was being asked to work with Sam Braxton in his frame shop; greatest bike owned (and there have been many) is a Cinelli Super Corsa my wife got for me second hand. Anyway I have been working with and fondling Campagnolo parts for a long time which leads me to the following query: I just came across a chainring which appears definitely to be made by Campy and it has 41 teeth - only markings are a 'C' within a diamond (a known Campy logo) and "41" - the Campy time line reports that in 1968 when they went to the 144 crank pattern they offered a 41 tooth ring. All through the 1970s we could not get them, I've never seen another, 42 being the smallest available. My guess is Tullio and his wizards were never satisfied with the way the cut recess for the fixing bolt bushing showed a reveal at the top & was inherently weakened and so they quit making 'em. (& yeh, I know about the knockoffs with 41 teeth & own a couple). Anybody out there know more?
Thanks,
Bruce
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