Double bass drum pedal with a Double chain drive system, YAMAHA DFP9C.

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