Sims next generation Limb Saver technology built into the riser reduces recoil vibration. High-tech, precision-machined aluminum titanium riser guarantees strength and superior accuracy. Carbon-Air Quad limbs. Limb dampening system features high-tech, vibration-eliminating polymer pocket insert. Ball bearing idler wheel. Carbon cable guard. Custom checkered hardwood grip, crafted for warmth and comfort. High performance. Tech twist strings. Axle to Axle: 31". ECCENTRICS: Perimeter Weight One Cam-75% Let-Off, 65% optional modules, P & Y legal, includes 2 modules.