How thick is your stave? I don't see why the 55# pyramid design won't work as long as you leave the limbs thicker. I am just spitballing here, having not tried that design I don't really know.... I usually start with my hickory bows about two inches wide and favor bows in the 45 - 50 range. I just finished one that was 62 ntn, pyramid, bendy handle board bow, two inches at the fades down to 1/2" tips that came in at 50 with no problems at all. Really shoots sweet. I love me some hickory.