👉 "Metrosideros" is a Spanish word that refers to a type of bicycle wheel. It was introduced in the 19th century, and its design has evolved over time due to various factors such as technological advancements and changing consumer preferences. In the early days, the term "metrosidero" referred to a single wheel with a diameter of about 30 cm, which was used primarily for bicycles. However, this type of bicycle wheel was not widely available and was often