This Mapex 500 Double Bass Drum Pedal has single-chain drives with fully adjustable spring tensions. It features duo-tone felt/ABS plastic beaters, footboards with compact stabilizing radius rods, an independent universal linkage adjustment, and retractable floor spikes. This kick drum pedal is made of solid steel components and was engineered to be reliable, durable, and, most important, playable. Adjustments are made quickly and easily, keeping you going during gigs night after night. Mapex 500 Double Bass Drum Pedal. An affordable option to get into double bass techniques. Single-chain drives Fully adjustable spring tensions Duo-tone felt/ABS plastic beaters Footboards with compact stabilizing radius rods Independent universal linkage adjustment Retractable floor spikes Solid steel components. For example, if your order is placed and paid for at 1 p. Details on how to file this return may be found at your applicable Department of Revenue website. Our products are backed by our 45-Day Satisfaction Guarantee. New Gear: If you’re not satisfied, neither are we. It’s that simple.