They weren't provided as a choice. They were introduced cause there were problems with the first gen. Delta's. They are still considered part of the C-Record group.
I'm well aware that Cobaltos are considered C-Record, And of course they were provided as a choice - no one was forced to use Cobaltos some riders used Deltas some used Cobaltos.
They weren't provided as a choice. They were introduced cause there were problems with the first gen. Delta's. They are still considered part of the C-Record group.