Storm is proud to showcase several of the most dynamic asymmetrical core designs on the market such as the Catalyst Core, the same core used throughout the Crux™ series, one of the most trusted series among competitive players worldwide.GI-20 is named for Game Improvement – 2020 and was developed to help maximize performance in today’s complex bowling environment. Expand your arsenal and your mind; the possibilities are endless with Storm!
Coverstock: GI-20 Pearl Reactive
Weight Block: Catalyst™ Core
Factory Finish: 3000-grit Abralon®
Flare Potential: 6"+ (High)
Radius of Gyration (RG): 2.50
Differential (Diff): 0.052
Intermediate Differential (Mass Bias): 0.017