Compare the specs of the Roto Grip Halo and Roto Grip Winner Solid 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 | Winner Solid |
| Cover Name | MicroTrax-S18 | VTC-S18 |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 2000 Grit Pad | 3000 Grit Pad |
| Color | Coal / Fuchsia / Sky Blue | Black / Purple / Green |
| Core Name | Centrum | Altered Hotshot |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.49 | 2.54 |
| Total Diff. | 0.050 | 0.054 |
| Int. Diff. | 0.018 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |