Compare the specs of the Roto Grip Idol Pearl and Roto Grip Rubicon UC2 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 Pearl | Rubicon UC2 |
| Cover Name | eTrax-P18 | eTrax Pearl |
| Cover Type | Reactive Pearl | Reactive Pearl |
| Box Finish | 1500 Grit Polished | 1500 Grit Polished |
| Color | Royal / Amethyst | Cosmic Black / Purple Sky |
| Core Name | Ikon | Rondure |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.49 | 2.49 |
| Total Diff. | 0.052 | 0.052 |
| Int. Diff. | 0.000 | 0.011 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |