New features include the fast touch Å“G pedal board design and dual surface balanced bass drum beater. The single pedals have a two bearing per drive system, and double pedals have four. This Dual Chain Double CAM Drive Double Bass Drum Pedal features easy key access adjustable hoop clamp, adjustable spring tension and steel rock stabilizer plates w/spring loaded spurs and just enough Velcro to hold position. It includes a dual surface 90 gm weighted beater and a cast frame w/textured black finish.