Patent ID: 7284584

Claim:
A wheel which is adapted to laterally receive a tire, including a rim where a rim main portion and a side ring are disconnectably coupled to each other at a coupling portion of the rim main portion and the side ring, the rim having a rim bead seat at each of axially opposite portions of the rim, each rim bead seat having an outside surface, the rim main portion and the side ring defining a gap therebetween, wherein the coupling portion is constructed such that the gap between the rim main portion and the side ring is inconspicuous from outside in an axial direction of the wheel, wherein the wheel comprises a tire bead on the side contacting the side ring is installed onto the rim main portion, and wherein the outside surface of the rim bead seat on a side of rim where the side ring is installed is machined by 0.5-2 mm in radius from an outside diameter reference line of the axially opposite rim bead set.