The Conference Proceedings are the final report of the International Cycling Conference (ICC) which took place from 19 until 21 September 2017 in Mannheim, Germany. Marking the 200th birthday of the bicycle this interdisciplinary and international three-day conference by the German Environment Agency emphasized the importance of cycling from an international perspective. 292 participants, 90 presenters and nearly 50 poster presentations focussed on the synergies between transport planning, health care, environmental quality, economic and business development as well as social issues and above all the exchange of knowledge and experience between research and practice. The audience of the conference and also this publication are researchers, practitioners, political representatives at all levels, NGOs, transport planners, specialist doctors for public health, designers, architects and engineers.