The Pearl P902 Double Pedal is a single-chain pedal that is easily adjustable. Use the Power Shifter to adjust between 3 positions. The drive angle can be manipulated by shifting the footboard backwards and forwards. For a light, normal, or strong feel, change the leverage with the independent traction grips. This pedal also has a roller cam hoop dam, frictionless spring roller, wide tension-range spring, and uni-pressure spring clamp. Additionally, there is a Duo Beat beater and an aluminum wheel clamp. The Pearl P902 Double Pedal has everything you need for reliable, fast, smooth action while you play.