Aren't Ypsilon clincher only?
Omega V Tubular is a good choice if you can find them.
http://velobase.com/Resource_Tools/DownloadFile.aspx?Path=%2fCatalogScans%2fCampagnolo%2fCampy_1991Rims.pdf&FileName=Campy_1991Rims.pdf
@dmczone started
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Aren't Ypsilon clincher only?
Omega V Tubular is a good choice if you can find them.
http://velobase.com/Resource_Tools/DownloadFile.aspx?Path=%2fCatalogScans%2fCampagnolo%2fCampy_1991Rims.pdf&FileName=Campy_1991Rims.pdf