Compare the specs of the Roto Grip Unhinged and Roto Grip Hy-Wire 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 | Unhinged | Hy-Wire |
| Cover Name | 60M | 62M |
| Cover Type | Reactive Pearl | Reactive Hybrid |
| Box Finish | 1500 Grit Polished | 1500 Grit Polished |
| Color | Cobalt Blue | Blue Solid / Yellow and Violet Pearl |
| Core Name | Late Roll 69 | Middle Roll 70 |
| Core Type | Symmetrical | Symmetrical |
| RG | 2.58 | 2.50 |
| Total Diff. | 0.049 | 0.043 |
| Int. Diff. | 0.000 | 0.000 |
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