1920’s Iver Johnson Truss Frame Posted on February 17, 2002 by Dave Stromberger and viewed 15347 times Posted in Antique Bicycles Tagged Iver Johnson permalink Iver Johnson, most famous for their production of guns, also sold bicycles for many years. This model was called the “truss frame” or “truss bridge”. Vintage bicycles and parts for sale on eBay! Similar bikes you might like: 1936-1941 Iver Johnson Motorbike This is one of Iver Johnson’s first balloon tire bicycles....