Originally Posted by
Psimet2001
Those mavics - that's the rim seam. It's bumped out there because that's where the join is made. The decals cover the joint because it isn't as pretty as the rest of the extrusion. There's lots of methods for joining but many times it involves a sleeve that is added to help reinforce the joint and help keep the joint aligned during pinning or welding.
I only got that idea because the literature that came with them said they were counterbalanced. I wasn’t smart enough to think of it myself.