Chromoly is a type of steel that is a popular choice for manufacturing bicycle frames and other high-stress components that require strength, durability, and resistance to fatigue. The term itself is actually a shortened form of "chromium-molybdenum steel," which refers to the two primary alloying elements in the material. Some synonyms for chromoly include chrome-moly, chromalloy, and cromo. These terms are commonly used in the cycling industry to describe various types of high-performance steel frames, along with other alloys like titanium and aluminum. Overall, chromoly and its synonyms have become synonymous with durability, toughness, and reliability in the world of cycling and beyond.