I'm just about to put a 1960 Campag chainset on ebay - but noticed that the axle (a 68 SS 120) also has a Z on it (or could be an N) Does anyone know what that means? Also why are pat 70 NR mechs so sought after? Were there fewer made in that year?
David Blight in dark gloomy Exeter UK where after a fine Christmas the sun seems to have forgotten about us.No more postings boasting of warm sunny weather until at least March, please.