Hi Jimmy
I have had 2, 2014 Carbon Sights, one was a demo, pre-production model I had for 6 weeks prior to December last year to meet a couple of race commitments, the other is now my own personal bike.
There were several differences between the 2 models, one of which was the cable grommets.
Luckily I took a photo of the demo, this, I assume is how yours is set up. Notice the two piece grommet:

This is the set up on my bike. They have removed the second piece from the grommet so that only the frame component remains.
I might suggest you dump the little piece that keeps coming loose.
Hope this helps
Jeff