Compare the specs of the Roto Grip Optimum Idol and Roto Grip TNT Infused 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 | Optimum Idol | TNT Infused |
| Cover Name | MicroTrax Solid Reactive | eTrax Hybrid Reactive |
| Cover Type | Reactive Solid | Reactive Hybrid |
| Box Finish | 2000 Abralon | Reacta Gloss |
| Color | Heliotrope Purple | Glow Orange / Copper / Plum |
| Core Name | Ikon + AI Core Technology | Torpex |
| Core Type | Symmetrical | Symmetrical |
| RG | 2.47 | 2.47 |
| Total Diff. | 0.056 | 0.052 |
| Int. Diff. | 0.000 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |