The caster is essentially characterized by the fact that it includes at least one wheel 1 including a hub 10 and a train 11 situated around the hub 10, a cover-plate 21, clip elements 22 suitable for clipping the cover-plate to the hub 10, the clip elements 22 for clipping the cover-plate to the hub 10 including at least one hole 30 made in the hub 10, at least two hooks 31, 32 mounted to project from the intermediate cover-plate 21 so that when the cover-plate 21 is clipped to the hub 10, the two hooks 31, 32 deform elastically and catch on the edge 34 of the hole 30 defining between them an inter-hook empty space 35. Application to casters used for making it easier to move items such as pieces of furniture, suitcases mounted on casters, or the like.