Originally Posted by
JohnDThompson
Ofmega also used 118mm BCD on some models. Zeus was 120mm BCD, at least the six cranks and 2 dozen+ Zeus chainrings I have here are 120mm BCD.
Sutherlands 3rd/4th edition has a fairly comprehensive BCD chart for vintage cranks.
One can do my 130-to-128 mod -- which lets me hang any standard road double ring on a proprietary Nervar Star spider and essentially entails stretching each mounting hole inward by 1mm -- to fit a 120mm ring to a 118 spider.
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"Far and away the best prize that life offers is the chance to work hard at work worth doing." --Theodore Roosevelt
Capo: 1959 Modell Campagnolo, S/N 40324; 1960 Sieger (2), S/N 42624, 42597
Carlton: 1962 Franco Suisse, S/N K7911
Peugeot: 1970 UO-8, S/N 0010468
Bianchi: 1982 Campione d'Italia, S/N 1.M9914
Schwinn: 1988 Project KOM-10, S/N F804069