Compare the specs of the Storm IQ Tour Nano Pearl and Storm Proton PhysiX 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 | IQ Tour Nano Pearl | Proton PhysiX |
| Cover Name | NRG Pearl Reactive | NeX Solid Reactive |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | 3000 Abralon | 2000 Abralon |
| Color | Black Pearl | Magenta / Black / Violet |
| Core Name | C3 Centripetal Control Core | Atomic |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.49 | 2.48 |
| Total Diff. | 0.029 | 0.053 |
| Int. Diff. | 0.000 | 0.017 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |