Bicycle component, fishing component, method of coloring bicycle component and method of coloring fishing component

The invention provides a bicycle component, a fishing component, a method of coloring bicycle component and a method of coloring fishing component. The bicycle component or a fishing component includes a first end portion (110), a second end portion (120) and an intermediate portion extending between the first and second end portions. The first end portion (110) has a surface on which a first dyeis disposed. The second end portion (120) has a surface which is free of the first dye or on which the first dye is disposed with a smaller amount than the first dye disposed on the surface of the first end portion (110). The intermediate portion (130) includes a gradation portion (131) having a surface on which the first dye decreases in amount from the first end portion (110) toward the second end portion (120). The gradation portion (131) has a length (L) greater than or equal to 20 mm in a dye gradation direction extending from the first end portion (110) toward the second end portion (120). 本发明提供种设计性优异的自行车用部件、垂钓用