Dual Chain Double CAM Drive Double Bass Drum Pedal Fast, double CAM action with simple execution, New features include; fast touch ?G? pedal board design and dual surface balanced bass drum beater, Single pedalshave a two bearing per drive system; four on double pedals, Easy key access adjustable hoop clamp, adjustable spring tension and Rock stabilizer plates withspring loaded spurs and just enough Velcro to hold position, - New f a s t t o u c h p e d al board design - Dual surface 90 gm weighted beater - Cast frame with textured black finish - S t ee l Ro ck st ab il iz er