Compare the specs of the Roto Grip Nuclear Cell and Roto Grip UFO 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 | Nuclear Cell | UFO |
| Cover Name | eTrax-P20 | MicroTrax-S20 |
| Cover Type | Reactive Pearl | Reactive Solid |
| Box Finish | 1500 Grit Polished | 2000 Grit Pad |
| Color | Purple Haze / Burnt Orange / Red Hot | Deep Purple / Baby Blue / Neon Green |
| Core Name | Nucleus | E.T. (Equalizer Technology) |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.52 | 2.52 |
| Total Diff. | 0.056 | 0.054 |
| Int. Diff. | 0.018 | 0.016 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |