Compare the specs of the Roto Grip RST X-1 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 | RST X-1 | Rubicon UC2 |
| Cover Name | MicroTrax Hybrid | eTrax Pearl |
| Cover Type | Reactive Hybrid | Reactive Pearl |
| Box Finish | 3000 Abralon | 1500 Grit Polished |
| Color | Black / Dark Forest / Forest Pearl | Cosmic Black / Purple Sky |
| Core Name | RST (Roto Star Tour) | Rondure |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.53 | 2.49 |
| Total Diff. | 0.053 | 0.052 |
| Int. Diff. | 0.016 | 0.011 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |