Compare the specs of the Brunswick Quantum Bias and Brunswick Tenacity 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 Bias | Tenacity |
| Cover Name | ECA-XR | UR (Ultra Responsive) |
| Cover Type | Reactive Solid | Reactive Pearl |
| Box Finish | 500 / 1000 SiaAir | 500 SiaAir / Crown Factory Compound |
| Color | White Solid | Black / Silver / Purple Pearl |
| Core Name | Quantum Mushroom High RG Asymmetric | Tenacity Low RG |
| Core Type | Asymmetrical | Asymmetrical |
| RG | 2.563 | 2.503 |
| Total Diff. | 0.052 | 0.052 |
| Int. Diff. | 0.013 | 0.018 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |