Compare the specs of the Storm Ion Pro and Storm Phaze II 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 | Ion Pro | Phaze II |
| Cover Name | TX-16 Hybrid Reactive | TX-16 (Traction-X 2016) |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 4000 Abralon | 3000 Abralon |
| Color | Navy / Carbon / Steel | Red / Blue / Purple |
| Core Name | Element Tour AI | Velocity |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.47 | 2.48 |
| Total Diff. | 0.035 | 0.051 |
| Int. Diff. | 0.014 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |