Compare the specs of the Storm PhysiX and Storm Pro-Motion side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.
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| Brand | Storm | Storm |
| Ball Name | PhysiX | Pro-Motion |
| Cover Name | NRG Hybrid Reactive | SPEC Solid Reactive |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 3000 Abralon | 2000 Abralon |
| Color | Red / Blue / Purple | Steel Blue |
| Core Name | Atomic | Piston |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.48 | 2.52 |
| Total Diff. | 0.053 | 0.049 |
| Int. Diff. | 0.017 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |