Compare the specs of the Roto Grip Idol Pro and Roto Grip UFO 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 | Idol Pro | UFO |
| Cover Name | eTrax-S19 | MicroTrax-S20 |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 3000 Grit Sheen | 2000 Grit Pad |
| Color | Ocean Blue | Deep Purple / Baby Blue / Neon Green |
| Core Name | Ikon | E.T. (Equalizer Technology) |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.49 | 2.52 |
| Total Diff. | 0.052 | 0.054 |
| Int. Diff. | 0.000 | 0.016 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |