Includes both acceleratorx2 and turbox2 cams to change out as you prefer. DW’s 5002AD4 double kick pedal gives you all the features that made the 5000 Series legendary among drummers worldwide. The 5002AD4’s Accelerator Drive system creates an indirect relationship between the sprocket and footboard for maximum velocity and excellent sensitivity. You’ll love the improvements DW designed into the 5002AD4, such as the innovative rubberized Tri-pivot Toe Clamp, a textured rubber grip pad on the base plate, and the Dual-Bearing Spring Rocker that serves up silky smoothness. On top of these great enhancements, the DW 5002AD4 can be customized to your personal playing style! Throw a rock at a lineup of professional drummers, and you’re likely to hit a DW 5000. These pedals have been an industry standard for years thanks to their tank-ish builds and smooth actions. And now, DW has upped the ante with its DW 5002 TD4 Turbo. The patented Dual-chain Turbo Sprocket lets this double bass pedal play even quicker and more controlled than past models. So whether you play lively jazz or speed metal, you’ll enjoy quicker single strokes with better dynamics control. Other improvements common to the DW 5000 series include the rubberized Tri-pivot Toe Clamp, which connects securely to hoops via three rotating mounting points, and the Dual Bearing Spring Rockers, which give both sides of the DW 5002 its silky-smooth response.