ADAC-Länderfahrt für Motorräder durch Deutschland, Danzig, Polen, Ungarn, Tschechoslowakei (1928)
The ADAC Länderfahrt was a gruelling reliability trial for motorcycles and sidecars that crossed various European nations; the race was held several times in the 1920s and 1930s and featured works riders from all the main German manufacturers, aiming to demonstrate the reliability of their machines