Compare the specs of the Roto Grip RST X-2 and Roto Grip Idol Helios 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.
Click here to add or remove balls from this comparison.
 |  | |
| Brand | Roto Grip | Roto Grip |
| Ball Name | RST X-2 | Idol Helios |
| Cover Name | eTrax PLUS Pearl | XtremeTrax Solid Reactive |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | 1500 Grit Polished | 2000 Abralon |
| Color | Tanzanite | Radiant Orange |
| Core Name | RST (Roto Star Tour) | Ikon |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.53 | 2.49 |
| Total Diff. | 0.053 | 0.052 |
| Int. Diff. | 0.016 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |