The only evidence that I have for the existence of the Colombo brand is an entry on page 158 of New Cycling from May 1981. This shows a derailleur that is somewhat similar to a SunTour Skitter. The lettering 'Colombo G.T. 972' is inscribed on the main Allen bolts.
see also New Cycling 05/1981 - '81 Derailleur Collection
see also New Cycling 05/1981 - '81 Derailleur Collection
- Publisher: New Cycling
- Date: May 1981
- Derailleur brands: too numerous to list here
- Derailleurs: too numerous to list here
