Spine Calc TestSpine Chart Calculator Use the chart values directly to find your recommended spine.Chart Spine Chart Selection VF/RIP XV/RVL Spine Chart – Rival (X) without 20gr weightHLR/VLR/VAP/VAP TKO/VAP SS/RIP/RIP TKO/RIP SS Spine Chart – Rival (X) with 20gr weight Bow IBO Speed (fps) Draw Weight (lbs) Arrow Shaft Length (inches) Point Weight (grains) Insert Weight (grains) Calculate Recommended spineNo option available
