The authors take three different points within a transatlantic triangle to trace the flow of people, products, and ideas concerned with the sporting culture of the bicycle. The emergence and elaboration of a global culture is followed to cast light on how cycling was experienced across and between spaces that challenges notions of coherent “nationality and territoriality” in the crucial decade before World War I. Co-authorship is utilized as a means of overcoming the parochialism and a certain methodological nationalism that has constrained the history of technology, sport, and mobility. In doing so, the authors respond to the need for historians to pay closer attention to the transnational movements, flows, and circulations that have infor...