Career
He started competing at age 15, mostly in road cycling. In 1925, he changed to professional motor-paced cycling and was a world leading competitor in this discipline in 1930–1932. He retired in 1937 and opened several bicycle shops in Hannover, where after World World War II he was producing and selling his own "Möller" bikes.
In addition, he initiated and supported cycling events and worked as a cycling functionary.
In 1948, he became the first post-war president of the German cycling federation.