Compare the specs of the Roto Grip Idol and Roto Grip Halo Vision 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 | Idol | Halo Vision |
| Cover Name | MicroTrax-S18 | eTrax-H19 |
| Cover Type | Reactive Solid | Reactive Hybrid |
| Box Finish | 2000 Grit Pad | 4000 Grit Pad |
| Color | Magenta | Gold and Sky Blue Pearl / Purple Solid |
| Core Name | Ikon | Centrum |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.49 | 2.49 |
| Total Diff. | 0.052 | 0.050 |
| Int. Diff. | 0.000 | 0.018 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |