This is the 6382nd most frequent Spanish word.
bianchi
The word "bianchi" is not Spanish; it is Italian and means "white" (plural form).
Here, 'Bianchi' is used as a proper noun referring to a specific brand.
Me gusta la marca Bianchi de bicicletas.
I like the Bianchi brand of bicycles.
In this case, 'bianchi' is transformed from Italian to mean 'white ones,' likely referring to objects.
Los primeros bianchi en llegar al evento fueron muy rápidos.
The first white ones to arrive at the event were very fast.
This use of 'Bianchi' is as a proper noun referring to a surname of Italian origin.