Compare the specs of the Radical Rattler and Radical Katana Assault 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 | Rattler | Katana Assault |
| Cover Name | SHARP Solid | HK22 - HyperKinetic |
| Cover Type | Reactive Solid | Reactive Pearl |
| Box Finish | 500 / 1500 / 4000 SiaAir | 500 / 1000 / 1500 SiaAir / Crown Factory Compound |
| Color | Purple / Dark Purple | Smoke / Black / Blue |
| Core Name | Rattler Symmetric | Katana Assault Asymmetric |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.480 | 2.501 |
| Total Diff. | 0.035 | 0.051 |
| Int. Diff. | 0.000 | 0.020 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |