DRIVEN SYSTEM: Double chain CAM systemFOOTBOARD: Smooth footboard for rapid responseBEATER: See-through blue dual surface beaterBEATER ANGLE ADJUSTMENT: Easy adjustmentSPRING TENSION ADJUSTMENT: Easy adjustmentHOOP CLAMP: Drum keyBASE PLATE: Sturdy base plate with built-in spurs and rubber padLINKAGE: Universal linkageDRUM KEY CLAMP: Drum key included" Leia mais