I had the same issue with my bells. They showed too much black so I moved them forward (about a third from the front instead of half way centered). Took care of most of the gap but it did leave a lot of black in the back. The first pic is of the original smaller bells snapped to the center of the shoulder strap. The second pic shows my larger RT-MOD bells next to the originals. The third pic is with the new bells strapped. Luckily they were the same "shade" of white, no painting required in this case.