Designed for power and speed with the ultimate tuneable response and feel. Main Features Designed for power and speed NiNja bearings Click-Lock Spring Adjustment Control Core Beater Powershifter function Uni-Lock Beater Angle Roller Hoop Clamp 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.