Originally Posted by
DrIsotope
With CF steerers, it depends. For instance, Cervelo explicitly states not to put any spacers above the stem, and that the top of the steerer should in fact be 3mm below the top of the stem.
Is that on their US website? Because I searched and searched and could not find any statement to that effect. I have sent them a query via their on-line customer service form, but have yet to heard back.