Compare the specs of the Roto Grip Rubicon UC3 and Roto Grip UFO Alert 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 | Rubicon UC3 | UFO Alert |
| Cover Name | Tour-ethane Pearl | eTrax Hybrid |
| Cover Type | Urethane Pearl | Reactive Hybrid |
| Box Finish | 1000 Abralon | 1500 Grit Polished |
| Color | Platinum Pearl | Purple Solid / Emerald / Teal |
| Core Name | Rondure | E.T. (Equalizer Technology) |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.49 | 2.52 |
| Total Diff. | 0.052 | 0.054 |
| Int. Diff. | 0.011 | 0.016 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |