Mezue ahịrịokwu na-esonụ:
1973 UCI Road World Championships bụ mbipụta nke iri anọ nke ihe omume ahụ. Ọsọ ahụ mere na Sọnde 2 Septemba 1973 na Barcelona, Spain. Onye meriri n'ọsọ ahụ bụ Felice Gimondi nke Ịtali.