Compare the specs of the Brunswick Quantum Classic Black and Brunswick True Nirvana 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 | Brunswick | Brunswick |
| Ball Name | Quantum Classic Black | True Nirvana |
| Cover Name | Relativity Flip Solid | ECS Hook Pearl |
| Cover Type | Reactive Solid | Reactive Pearl |
| Box Finish | 500 SiaAir / Crown Factory Compound | 500 SiaAir / Crown Factory Compound |
| Color | Classic Black | Black / Chrome / Gold Pearl |
| Core Name | Quantum Mushroom High RG | Nirvana Ultra Low RG |
| Core Type | Symmetrical | Asymmetrical |
| RG | 2.557 | 2.477 |
| Total Diff. | 0.053 | 0.054 |
| Int. Diff. | 0.000 | 0.013 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |