Originally Posted by
juvela
Your machine may be one sold by the R.E.I. stores. They carried the brand in the mid to late 1970's. Cobra was the base model in their lineup.
Cobra was perhaps their top model, actually.
I believe there were three road models, the base model would be the Kona, much heavier and with cottered cranks, steel rims and a bolted-in derailer claw among the various downgrades from the Cobra.
The Cobra is actually a pretty good bike!