The new Phaze II features innovative core and material technology of coverage, proving once again that Storm is the leader in innovation bowling This form of rapid acceleration, the aptly named Velocity Supercharged core, smoothes the reaction of the backend without reacting in a way exaggerated and avoids creating an undesirable last-second movement. TX-16 (Traction-X 2016) is what comes from countless hours in R&D to develop the best covering materials on the planet. It is solid reactive mixture leaves an incredible imprint on the lane. The marriage between The core and cover produces the strongest movement of any ball Storm symmetrical to date.