Mezue ahịrịokwu na-esonụ:
1978 UCI Road World Championships bụ mbipụta nke iri anọ na ise nke ihe omume ahụ. Ọsọ ahụ mere na Sọnde 27 Ọgọstụ 1978 na Adenau, West Germany. Onye meriri n'ọsọ ahụ bụ Gerrie Knetemann nke Netherlands.