Single Bass Drum Pedal with Duo Glide Cam Double Chain Drive Spring Tight Speedo Ring ParaClamp TAMA's Iron Cobra 600 Series is the hot new entry in the legendary Iron Cobra family of bass drum pedals - currently celebrating its 20th Anniversary. 600 Series kick pedals feature a revolutionary changeable cam that lets you choose your pedal action based on your personal preference. The Duo Glide cam lets you easily convert between a round "Rolling Glide" sprocket for a smooth, linear stroke, and an offset "Power Glide" sprocket for increased power and speed. There's a boatload of footwork-enhancing innovations in TAMA Iron Cobra 600 Series kick drum pedals. Check it out. TAMA Iron Cobra 600 Series Single Bass Drum Pedal Features at a Glance: Duo Glide cam lets you easily switch between Power Glide and Rolling Glide cams Double chain drive delivers smooth and accurate motion Newly designed hinge gives you more precise motion and increased durability Speedo Ring eliminates friction by replacing traditional nylon rocker