At the beginning of the cycling tests to Colombia 1951 the bicycle is popularly called as Steel Horse. Term that generalized the journalist Julio Arrastia since 1957
It is a somewhat poetic name for the bicycle, it can also be seen as "iron horse". See horse ("diminutive of horse"), steel (metal).
In Colombia it is a popular way to call the bicycle.
STEEL HORSE refers to a lazy person, boba, opa