The Strike Kit Expansion Pack comes with everything you need to upgrade your Alesis Strike Kit to a big-rig electronic drum setup. The premium wood shell comes equipped with a large dual-hoop pad, replaceable mesh head, and sensitivity adjustment knobs for fine tuning so you can feel comfortable within seconds of adding to your kit. The 2 x 14" chokeable Alesis Strike Crash's are a fresh and exciting step forward too, producing a spectacular fusion of real-cymbal bounce and feeling when struck. The large bell area offers enhanced playability and the hammered look adds a cool, space-aged aesthetic.