A method of producing a wheel for straddled vehicles, the wheel including: a hub; an annular rim; and a plurality of spokes connecting the hub and the rim, the method comprising: step A of providing an intermediate product including a precursory hub, an annular precursory rim, and a plurality of precursory spokes connecting the precursory hub and the precursory rim, the intermediate product being made of a metal material; step B of performing a flow forming process for the precursory rim of the intermediate product by using a flow forming apparatus, abutting an inner peripheral surface of the precursory rim of the intermediate product from a first direction along an axial direction of the intermediate product by a first mandrel of the flow forming apparatus having a first abutting surface; abutting the inner peripheral surface of the precursory rim of the intermediate product from a second direction opposite to the first direction along the axial direction of the intermediate product by a second mandrel of the flow forming apparatus having a second abutting surface; rotating the intermediate product by rotating the first mandrel and the second mandrel; pressing a roller of the flow forming apparatus against an outer peripheral surface of the precursory rim of the intermediate product; the inner peripheral surface of the precursory rim of the intermediate product provided at step A includes a first region to abut with the first abutting surface of the first mandrel and a second region to abut with the second abutting surface of the second mandrel, characterized in that each of the first region and the second region of the inner peripheral surface of the precursory rim includes at least one stepped portion protruding inwardly along a radial direction of the intermediate product. step A of providing an intermediate product including a precursory hub, an annular precursory rim, and a plurality of precursory spokes connecting the precursory hub and the precursory rim, the intermediate product being made of a metal material; step B of performing a flow forming process for the precursory rim of the intermediate product by using a flow forming apparatus, abutting an inner peripheral surface of the precursory rim of the intermediate product from a first direction along an axial direction of the intermediate product by a first mandrel of the flow forming apparatus having a first abutting surface; abutting the inner peripheral surface of the precursory rim of the intermediate product from a second direction opposite to the first direction along the axial direction of the intermediate product by a second mandrel of the flow forming apparatus having a second abutting surface; rotating the intermediate product by rotating the first mandrel and the second mandrel; pressing a roller of the flow forming apparatus against an outer peripheral surface of the precursory rim of the intermediate product; the inner peripheral surface of the precursory rim of the intermediate product provided at step A includes a first region to abut with the first abutting surface of the first mandrel and a second region to abut with the second abutting surface of the second mandrel, characterized in that each of the first region and the second region of the inner peripheral surface of the precursory rim includes at least one stepped portion protruding inwardly along a radial direction of the intermediate product.