The P930 Chain Drive Bass Drum Pedal merges many of the advanced features of Pearl's Demon Drive pedals with our award-winning PowerShifter Eliminator to create an unbeatable value for the gigging drummer. High-End features like a Longboard traction plate, Control Core two-surface beater, Click-Lock spring tenson, and Interchangeable Progressive/Perfect Circle Cams allow the player to customize pedal feel and function to fit their own playing style. For power and speed on a budget, nothing beats the P930.