Paint

removable aluminum alloy rear derailer hanger

Plain aluminum alloy cleans easier, shows scratches less, and better reveals damage.

Paint on a derailer hanger causes harm. It blocks inspecting for cracks. It blocks dyeing. Any color on a hanger causes harm.

When building a bicycle wheel there is nothing more important than even spoke tension. A finished wheel with even tension substantially increases longevity and decreases maintenance in a wheel’s life, as opposed to a wheel that is true with substantial tension variance. — The Wheel Department