Compare the specs of the Roto Grip Halo Vision and Roto Grip RST X-1 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 | RST X-1 |
| Cover Name | eTrax-H19 | MicroTrax Hybrid |
| Cover Type | Reactive Hybrid | Reactive Hybrid |
| Box Finish | 4000 Grit Pad | 3000 Abralon |
| Color | Gold and Sky Blue Pearl / Purple Solid | Black / Dark Forest / Forest Pearl |
| Core Name | Centrum | RST (Roto Star Tour) |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.49 | 2.53 |
| Total Diff. | 0.050 | 0.053 |
| Int. Diff. | 0.018 | 0.016 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |