One of the main causes of premature mortality is decreased physical activity. The purpose of the study is to investigate, based on self-determination theory, the motives for choosing active transportation in the form of an electric bike instead of passive transportation such as bus or car among participants in the Elcyklist project. A qualitative research method was used, and 17 semi-structured interviews were conducted based on a motivational perspective. The results showed that the motive for electric biking was the experience of independence, challenge, community, and inspiration, which represented a sense of well-being. Additionally, enjoyment, environmentally, economically, and health were motives for electric biking that represented benefits in everyday life. Participants' choice to use electric bikes satisfied their basic needs for autonomy, competence, and relatedness. Furthermore, the study showed that the participants were motivated to use the electric bike mainly by self-determined motivation. The main conclusion is the importance to address and promote self-determined motivation to support and maintain motivation healthy behaviors and lifestyles. The study showed that the opportunity to borrow an e-bike as offered in the Electric Biking project can be a good way to promote self-determined motivation for active transportation as well as health-promoting behaviors.