Designed for optimal playability, the Concept Series pedal is a boutique-inspired machine that’s quick and responsive. The single-post design is outfitted with a dual chain concentric drive system, smooth cast extended footboard with integrated needle bearing hinge, and an offset toe clamp. Two-Way Beater -Concentric Cam and Dual Chain Drive -Single Post Frame with Adjustable Spring Rocker -Solid Base Plate with Magnetic Drum Key.