Compare the specs of the Roto Grip Halo Vision and Roto Grip Idol 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 | Roto Grip | Roto Grip |
| Ball Name | Halo Vision | Idol Pro |
| Cover Name | eTrax-H19 | eTrax-S19 |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 4000 Grit Pad | 3000 Grit Sheen |
| Color | Gold and Sky Blue Pearl / Purple Solid | Ocean Blue |
| Core Name | Centrum | Ikon |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.49 | 2.49 |
| Total Diff. | 0.050 | 0.052 |
| Int. Diff. | 0.018 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |