Cover of a bicycle brochure from the period.
Excerpt from a bicycle catalog, 1909.
Bicycle racing: Wilhelm Opel helps a fellow athlete get started.
Opel manufactures bicycles for five decades (1886–1937), becoming the world’s largest bicycle producer in the 1920s.
Bicycle production, 1912.
The word “Blitz” (lightning bolt) is used as a product name for the first time at the end of the 19th century. The emblem graces the bicycle’s head tube.