Storm Phaze II Upper-Mid Performance Bowling Ball The Phaze II features both innovative core and coverstock technology, proving again that Storm is the leader in bowling innovation. This fast-revving shape, the aptly-named, supercharged Velocity Core, smooths out the back-end reaction without over-reacting and avoids creating an undesirable last-second movement. TX-16 (Traction-X 2016) is what emerges from countless hours in R&D to develop the finest coverstocks on the planet. This solid reactive blend leaves an incredible footprint on the lane. The marriage between the core and the cover produces the strongest motion of any symmetrical Storm ball to date. TX-16 Solid TX-16 (Traction-X 2016) is what emerges from countless hours in R&D to develop the finest coverstocks on the planet. This solid reactive blend leaves an incredible footprint on the lane. The additive in the TX-16 breed of coverstock responds impeccably well to surface adjustments too. Dull or shiny, the chemical configuration of TX-16 allows it to be highly customizable for any player on any condition. Velocity Core This fast-revving shape, the aptly named, supercharged Velocity core smooths out the back-end reaction without over-reacting and avoids creating an undesirable last-second movement. The nature of the core gives it plenty of motion due to the higher differential, but with the forgiveness all players love to see. Product Info Core Specs Videos Downloads LEVEL Master PART NUMBER BBMTZA COLOR(S) Red / Blue / Purple CORE Velocity Core (Symmetrical) COVERSTOCK TX-16 Solid COVER TYPE Solid Reactive FINISH 3000 grit Abralon FLARE 5-6" (High) DUROMETER 73-75 on D-Scale LANE CONDITION Medium-Heavy to Heavy Oil FRAGRANCE None WEIGHTS 12-16 lbs RELEASE DATE 10/04/16 WARRANTY Storm 1 Year Limited Warranty * Product Note: 12-13 lb. models of this ball use an alternate core that is different from the heavier models. WEIGHT RG DIFF 16 lbs 2.48 0.051 15 lbs 2.48 0.051 14 lbs 2.53 0.050 13 lbs 2.59 0.045 12 lbs 2.65 0.035 Storm Phaze II Tech Sheet Storm Phaze II Design intent Storm Symmetric Drill Sheet