INV 2835 The DW 5000 Series Double Bass Pedal is a popular choice among drummers for its innovative design and high performance. Here are some key features: Dual-Chain Accelerator Drive System: Increases velocity and sensitivity throughout the pedal stroke. Tri-Pivot Toe Clamp: Features three self-aligning rubber pads that grip any bass drum hoop securely. Delta Ball-Bearing Hinge: Provides a smooth and responsive playing experience. Dual-Bearing Spring Rocker: Enhances the pedal's smoothness and quick response. Single Post Casting Design: Allows for better positioning of the auxiliary bass pedal, making it easier to move between the bass drum and hi-hat. These features make the DW 5000 Series a reliable and powerful choice for drummers.