David Feldman wrote:
> Merz in Portland, OR made a "tripleizer" chainring in the early
> 1980's; it's hard to tell in the picture but it could be one.
Bernie Mikkelson (sp?), a custom framebuilder from Oakland California I think, also made rings of this type, though it's been so many years since I've seen one I don't remember what inner ring it took.
Anyone know what Mikkelson is doing these days - building any frames?