Interesting. When I rehab or restore my track bike I have C-L cranks on it, and I have only the one chainring for it (23T or 24T IIRC).
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Larry:1958 Drysdale, 1961 Gitane Gran Sport, 1974 Zeus track, 1988 Masi Gran Corsa, 1974 Falcon, 1980 Palo Alto, 1973 Raleigh Gran Sport, 1974 Legnano. Susan: 1976 Windsor Profesional.