Delivering the ultimate in Speed, Rebound, and Accuracy, the Pearl Demon XR (for X-treme Response) Bass Drum Pedal is a true Triple-Threat in bass drum pedal performance. The result of a two-year research and development project with drummer George Kollias, its streamlined machine shop design and fluid direct-drive action delivers a faster, smoother stroke. Its enhanced rebound action comes from the exclusive interchangeable high-tension spring, which makes repeated strokes effortless in the most extreme musical situations. Primed for the high-tempo technicality, the Pearl Demon XR is perfect for any drumming style where precision and endurance are key.