Spoke pieces are components of wheeled vehicles, typically made of metal and used to connect the hub of a wheel to the rim. Antonyms for spoke piece could be anything that does not serve this purpose. Some antonyms could be "divergent," "disconnected," "separate," or "unrelated." These words imply a lack of connection or association, which is the opposite of what a spoke piece does - it connects two parts of a wheel. Other antonyms could include "unstructured," "unorganized," or "random," which all denote a lack of order or pattern, whereas spoke pieces are a highly structured and precise component of a wheel.