Steering wheel Vibration?

Ok so I hit a curb with my old rims. The wheel was bent. So I decided to get 4 new rims and tires since I didn't like the old ones. After the new rims and tires were put on they were balanced perfectly and given a perfect wheel alighnment. Yet when I drive. The faster I go. The more the steering wheel vibrates. What gives? Could it be a rim or tire that isn't perfect? I bought the rims online by the way. They are remanufactured Honda OEM rims. I have a 2011 civic. The mechanic checked everything and said nothing is bent. This is driving me crazy

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