Tama Speed Cobra 310 Double bass drum pedal. Model# HP310LW Speed Cobra 310 Double Pedal. The Speed Cobra 310 series was developed using the same design principles as the Speed Cobra 910 series, and offers remarkable performance at an affordable price. The extended footboard, which features the same design as the Speed Cobra 910, offers rapid acceleration and power with less physical effort. The Recessed Setting provides the perfect balance between the natural characteristics and motion of a chain drive pedal, and the lighter overall action of the 310 series. The 310 series features the same durable double chain drive as the 910 series. This double chain drive offers smooth and accurate motion in any situation. A Drummer will respond to you promptly.