Originally Posted by
masi61
It is hard to tell from the photo provided. That Zipp stem has rounded contours whereas the spacers are squared off. The angle on the stem looks like it is beyond horizontal making it look like a track stem. Bike shops may have a stem facing tool where they can freshen up the mating surface.
it’s a +/- 17° stem which when you flip it over makes the stem pretty parallel to the ground - depending on your headtube angle. It’s not as drastic as a track stem.