Axle to Axle 31.5, 6" Brace Height, IBO 345 fts.The extended, six-bridge riser on the 2020 VXR was designed to cut weight, while adding strength and stability. It holds like a target bow, while maintaining the maneuverability of a compact hunting rig. This new platform increased cam efficiencies and enhanced the effects of 3D damping to create the most stable, stealthy platform we’ve ever built.