Versatile bass drum double pedal with single-chain drive mechanism that features the industry leading characteristics of the award-winning Demon Drive pedals. It is equipped with a Demon Style Powershifter function long-footboard, a patented Perfect Circle cam with removable Eliminator Eccentric cam, Click-Lock spring tension keepers and dual-surface Control Core Beater. The infinitely adjustable beater angle allow for customizing the pedal to preferred feel and power.