PURPOSE: To provide a wheel cap for improving feeling at mounting the wheel cap and applicable to any wheel disc of the same size regardless of any little difference in dimension at inner peripheral recessed parts thereof owing to one metal ring, by chaning material of the metal ring from conventional spring steel to superelastic alloy.

CONSTITUTION: A wheel cap comprises an attaching ring unit 5 set down vertically at a back face of a periphery part of a body 3 of the wheel cap, a plurality of spoon shaped claws 7 integrally formed at a bottom edge part of the attaching ring unit 5 and a metal ring attached by fitting to an inner recessed part 8 of the claws 7. The characteristic of the wheel cap is that the metal ring is a metal ring 4 made of superelastic alloy.