Description from Woodbrass :
Pearl s original PowerShifter Eliminator was a giant leap ahead in bass drum pedals. The world s only pedal featuring the patented Interchangeable Cam System, Eliminator s virtually unlimited tunability lets the player lock in totally personalized feel, power and speed. The Eliminator: Redline is the next step forward. Like having four pedals in one, Redline fuses the stunning power and flexibility of the original Eliminator with the fluid speed of our Demon series pedals. With a host of radical improvements, Eliminator: Redline helps unlock perfect feel by locking in a cam, further pushing the boundaries of bass drum performance. The P2050B is also available in a chain drive model, the P2050C. The P2050 and P2052 Redline Series Pedals come with Custom Carry bags. NINJA BEARINGS Developed by skateboarding engineers for the ultimate in fast, quiet performance, NiNja Bearings incorporate state-of-the-art micro-polished steel balls for incredibly fast and smooth performance. CLICK-LOCK SPRING ADJUSTMENT NEW Rotor Tension Cradle. Locks the desired spring settings into place and prevents tension creep under play. The counter spring adjustment s rolling cradle allows the spring to pivot with each stroke for less resistance. CONTROL CORE BEATER With a reduced profile, Pearl s improved QuadBeater provides the same four beater surfaces of the original (two hard plastic, two felt) but with the added feel and power of the Control Core elastomer center to eliminate vibration. POWERSHIFTER FUNCTION By moving the footboard forward or back, our revolutionary PowerShifter function provides 3 positions to fine tune the power and feel of the pedal. Instantly change the drive angle leverage to create a light, regular, or strong feel. UNI-LOCK BEATER ANGLE CAM Grips the axel a full 360 degrees and allows infinite beater angle adjustments. Features the Floating Spring Pendulum design that is perfectly centered on the clamp for full bearing movement and maximum smoothness. ZERO PLAY-HINGE Our proprietary stainless steel hinge provides maximum freedom of motion for blazing speed and prevents play between the footboard and heel. INDEPENDENT TRACTION GRIPS Eliminator Redline s redesigned pedalboard features Pearl s exclusive reversible Traction Plate insert, allowing individual traction grip configuration to suit your exact playing requirements. ROLLER HOOP CLAMP with Side Mount Adjustment. Quickly adapts to a wide range of hoop thicknesses for the smoothest, most secure grip possible. Easy side access to the hoop clamp makes set up and tear down a breeze. LEFT-FOOTED It is also available in a Double Pedal Complete Left-Footed Set, the P2052CL Chain and the P2052BL Belt versions. CONVERSION KITS The P2051 Conversion Kit makes your existing single Eliminator into the left auxiliary pedal in a fully-functioning double pedal (right-handed only). P2051C Chain and P2051B Belt versions.