All of the better Zeus chainsets were available in 36T to 56, eg.Gran Sport, Critrium and 2000. Can't say about the gear ranges of the Zeus rear mechs but thay made a 5 speed 2000 block which was available from 14T to 30T and the Criterium block in 5 speed 14T to 26T and in a 6 speed 13T to 26T. Seem to remember you could get the 2000 in a six or seven cog versions as well sure it went down to a 13T smallest and 30T the biggest. This would be about 1981.
Yours in cycling. Michael Butler Huntingdon UK.
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