Compare the specs of the Roto Grip UFO and Roto Grip Idol Pro 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 | UFO | Idol Pro |
| Cover Name | MicroTrax-S20 | eTrax-S19 |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 2000 Grit Pad | 3000 Grit Sheen |
| Color | Deep Purple / Baby Blue / Neon Green | Ocean Blue |
| Core Name | E.T. (Equalizer Technology) | Ikon |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.52 | 2.49 |
| Total Diff. | 0.054 | 0.052 |
| Int. Diff. | 0.016 | 0.000 |
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