Spine Chart
When selecting your DNA shaft, please refer to the Spine Chart below. Please note the two separate charts, one with standard components, and one with the upgrade to a Stainless Steel sleeve on your Nucleus shafts. If shooting the Double Helix weave shaft, it has been experienced that in many cases it can actually be shot 1 spine size weaker, due to it's exceptional ability to control dynamic spine reaction. Please Contact Us if any assistance is needed in selecting the correct spine for you.