Compare the specs of the Roto Grip Idol Cosmos 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 | Idol Cosmos | Clone |
| Cover Name | XtremeTrax Pearl Reactive | OptiTrax Solid Reactive |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | 4000 Abralon | Reacta Gloss |
| Color | Stardust Teal | Alien / Deep Mist / Cyber Grape |
| Core Name | Ikon | Cloned ET |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.49 | 2.51 |
| Total Diff. | 0.052 | 0.056 |
| Int. Diff. | 0.000 | 0.016 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |