His motorcycle chronicles became cult books and were out of print for a long time. However, "Klacks" was just as much a mechanic as he was a writer. In the 1950s and 60s, he provided self-help to Max and BMW riders in seemingly endless serialized articles. His "Richtig angefasst" volumes, based on this work, are already considered classics. In this special edition, both vintage models make another appearance. It is a manual filled with expert knowledge and many interesting photos.