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Why does it bother you so much you picky ba$tard
? You would have to remove the clearcoat and the sticker then re clearcoat it for corrosion protection, but even if you did it right you would probably void the warranty. Why spend the extra $$$ for a U.S. made bike if the flag on it bugs you that much? You could have bought some cheap Tiawanese single pivot if the superior warranty isn't important. If you hate the flag that much why not put a sticker you like better over it? It would save you a bunch of money and not void you're warranty.
Why does it bother you so much you picky ba$tard