“…Although considered a sustainable option for urban delivery [ 11 ], with an array of cargo bike designs and growing demand, there are only a handful of reports and news [ 12 , 13 ], and few published articles focusing on the design and safety aspects of electric bicycles or e-cargo bikes used by couriers or messengers [ 14 ]. Recent studies on cargo bikes primarily explore travel patterns, environmental and health benefits, impacts and advantages on logistics, as well as riders' perceptions and behavioral aspects [ 11 , 15 , 16 ]. These studies largely rely on user surveys.…”