Wheel

Abstract: A wheel (100) comprises a boss part (10), a rim part (20), and a plate part (30). The boss part (10) includes a contour line (14) extending from the plate part (30) to an end face (12) in the axial direction of the boss part (10) when viewed in a longitudinal cross-section of the wheel (100). The contour line (14) includes curves (141, 142). The first curve (141) is continuous with the plate part (30). The first curve (141) has a first curvature radius (R1). The second curve (142) is positioned on the side of the end face (12) in the axial direction of the boss part (10) with respect to the first curve (141). The second curve (142) has a second curvature radius (R2). The second curvature radius (R2) is larger than the first curvature radius (R1). The length of the second curve (142) is longer than that of the first curve (141).

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