PROBLEM TO BE SOLVED: To provide a bicycle part, a fishing part, a coloring method for bicycle part and a coloring method for fishing part having an excellent design property.SOLUTION: Each of a bicycle part and a fishing part of the present invention comprises a first end part 110 on which a first dye is applied on a surface, a second end part 120 on which the first dye is applied to a surface or the first dye of smaller volume than that of the first end part 110 is applied to the surface, and a middle section 130 which is positioned between the first end part 110 and the second end part 120 and connected with the first end part 110 and the second end part 120. The middle section 130 has a gradation part 131 where the volume of the first dye on a surface is reduced from a side of the first end part 110 to a side of the second end part 120. The gradation part 131 has a length L131 of 20 mm or more in a direction from the first end part 110 to the second end part 120.SELECTED DRAWING: Figure 3【課題】意匠性に優れた自転車用部品、釣り用部品、自転車用部品の着色方法、及び釣り用部品の着色方法を提供する。【解決手段】本発明の自転車用部品及び釣り用部品は、第１の染料が表面に配される第１の端部１１０と、第１の染料が表面に配されない、または、第１の端部１１０より少ない量の第１の染料が表面に配される第２の端部１２０と、第１の端部１１０及び第２の端部１２０の間に位置するとともに、第１の端部１１０及び第２の端部１２０と連なる中間部１３０とを備え、中間部１３０は、表面における第１の染料の量が第１の端部１１０側から第２の端部１２０側に向けて減少するグラデーション部１３１を含み、グラデーション部１３１は、第１の端部１１０から第２の端部１２０に向かう方向において、２０ｍｍ以上の長さＬ１３１を有する。【選択図】図３
