Left double pedal for bass drum, with Double chain drive system, YAMAHA DFP9CL.

• Axle Stabilizing Bearing Chamber System: Allows precise alignment of the frame and the blue bearing covers with the central shaft and bearings.
• Auto Lock Spring Adjustment System: Allows smooth spring adjustment while preventing any loosening.
• Adjustable beater weight: By adding aluminum weights (3 g) or brass weights (9 g), according to the musician's requirements, for greater accuracy and better feel.
• Beater angle adjustment and pedal surface angle adjustment.
• High durability and performance bearings.
• Case included.