I have purchased a new Trek 6300 disk bike today and when I turn the bike upside down and spin the rear wheel I can hear a repeating sound of disk brake rotor rubbing against the brake pad. Otherwise the wheel seems to spin with no wobbling left-right. The sound is not strong, however friction will stop the wheel in less than 10 seconds if I spin it manually. I am not as concerned about the rubbing as I am with the sound not being constant. Could the brake rotor be bent although new?
View Poll Results: Is my disk brake rotor bent?
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