Abstract: Securing elements are provided for securing a wheel cover to a wheel, and are pivotally connected to connecting projections equidistantly spaced near an edge of an inward side of a wheel cover. Each securing element has a connecting plate, which projects downwards from a lower end thereof, and which has an engaging block projecting from an inward side, and an engaging space formed right above the engaging block. The securing elements are joined to respective connecting projections so that the former can be pivoted on the latter between an upright in-use position where the engaging blocks are fitted into the engaging holes and a not-in-use laid down position where the engaging blocks are disengaged from the engaging holes and where the engaging spaces receive the bar-shaped portions therein. Thus, wheels covers equipped with the securing elements can occupy less space when stacked up in a pile.

Abstract: A rim disc adjustable to different sized rims includes a rim disc and a steel ring. The rim disc has a plurality of engagement members provided near an outer circumferential edge. Each engagement member has a projecting edge on a front end of an upper surface to rest on an inner wall of the rim, a ridge, a stop and a fit aperture for the steel ring to engage therein. One of the engagement member specially has another stop under the fit aperture, and the other stop has a few engagement grooves on its surface so that the steel ring may selectably fit in one of the engagement grooves to enable the rim disc to adjust to different sized rims.