Compare the specs of the Roto Grip UFO and Roto Grip Clone 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 | Clone |
| Cover Name | MicroTrax-S20 | OptiTrax Solid Reactive |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 2000 Grit Pad | Reacta Gloss |
| Color | Deep Purple / Baby Blue / Neon Green | Alien / Deep Mist / Cyber Grape |
| Core Name | E.T. (Equalizer Technology) | Cloned ET |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.52 | 2.51 |
| Total Diff. | 0.054 | 0.056 |
| Int. Diff. | 0.016 | 0.016 |
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