My first choice (aesthetically) would be:
Problem with this stem - It would crush the steerer. This type of stem shouldn't be used with a carbon steerer. The wedge clamp design puts a large amount of pressure on a small area, fine with a metal steerer but not carbon.
@O'Shane started
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Problem with this stem - It would crush the steerer. This type of stem shouldn't be used with a carbon steerer. The wedge clamp design puts a large amount of pressure on a small area, fine with a metal steerer but not carbon.