Compare the specs of the Roto Grip Hyper Cell Fused and Roto Grip Halo 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 | Hyper Cell Fused | Halo |
| Cover Name | eTrax-H18 | MicroTrax-S18 |
| Cover Type | Reactive Hybrid | Reactive Solid |
| Box Finish | 1500 Grit Polished | 2000 Grit Pad |
| Color | Jet Black / Silver / Violet | Coal / Fuchsia / Sky Blue |
| Core Name | Nucleus | Centrum |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.52 | 2.49 |
| Total Diff. | 0.056 | 0.050 |
| Int. Diff. | 0.018 | 0.018 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |