👉 A treeship is a type of bicycle that originated in the United States during the late 1970s. It was designed to be compact and lightweight, with a frame made from aluminum or steel and wheels made from cast iron. The name "treeship" comes from its design being similar to a tree, which can grow easily under the influence of wind. Treeships have been popular since their introduction in the late 1970s as an alternative to traditional bicycles for commuting