Compare the specs of the Storm Ion Pro and Storm Summit Ascent 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 | Summit Ascent |
| Cover Name | TX-16 Hybrid Reactive | R2S Solid Reactive |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 4000 Abralon | 4000 Abralon |
| Color | Navy / Carbon / Steel | Aqua / Smoke / Shadow |
| Core Name | Element Tour AI | Centripetal HD - AI |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.47 | 2.46 |
| Total Diff. | 0.035 | 0.056 |
| Int. Diff. | 0.014 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |