A collapsible wheel includes a rim formed of a number of arched rim elements pivotally connected into an endless series, a connector with a shaft for connection to a golf bag carrier, pushcart or baby cart, a hub sleeved onto the shaft of the connector, first spokes each having one end connected to the rim and the other end for stopping against the periphery of the hug, and second spokes each having an outer spoke segment connected to the rim and an inner spoke segment that has one end hinged to the outer spoke segment and the other end hinged to the hub.