Called the Duo Glide Cam, it allows simple adjustment between a true round Rolling Glide sprocket and an off-set Power Glide sprocket. The chain drive on this pedal has been designed with a recessed foot board. Drummers can choose the appropriate action based on playing style, musical environment, and personal preference. Double Chain Drive The Iron Cobra 600 series features the same durable double chain drive as the Iron Cobra 900 series. Newly Designed Hinge This new hinge uses a tough, cylindrical brass sleeve to protect the hinge pin from damage or undo pressure, assuring fluid motion and increased durability. PENDING) The new Duo Glide cam makes it easy to switch between the Power Glide cam, which increases power and speed during a pedal stroke, and the Rolling Glide cam, which provides a smooth, consistent feel throughout the stroke. Tama HP600DTW Iron Cobra 600 Series Double Bass Drum - Pedal · Tama HP600DTW Iron Cobra 600 Series Double Bass Drum u2013 Pedal. £309.00. Iron Cobra 600 Series... Newly Designed Hinge This new hinge features a brass pipe for the sleeve of the shaft, offering more precise motion and increased durability. Tama Tama speedcobra Speed Cobra 600 Bass Drum Pedal TAMA HP900PSW Iron Cobra Double - IGuitar Music Bass Pedal Strong and robust double bass drum pedal · Duo glide cam for power glide and rolling glide switching · Double chain delivers smooth and accurate motion · Upgraded... This double chain drive offers smooth and accurate motion in any situation.