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