Compare the specs of the Radical Outer Limits Pearl and Radical ZigZag 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 | Radical | Radical |
| Ball Name | Outer Limits Pearl | ZigZag |
| Cover Name | HK22 Pearl | HK22 - HyperKinetic |
| Cover Type | Reactive Pearl | Reactive Hybrid |
| Box Finish | 500 / 1000 / 1500 SiaAir / Factory Compound | 500 / 1000 / 1500 SiaAir / Factory Compound |
| Color | Indigo / Purple / Silver | Black / Silver / Lime |
| Core Name | Outer Limits Asymmetric | ZigZag Asymmetric |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.499 | 2.501 |
| Total Diff. | 0.051 | 0.045 |
| Int. Diff. | 0.014 | 0.015 |
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