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