Brunswick Quantum Bias vs. Brunswick Method

Compare the specs of the Brunswick Quantum Bias and Brunswick Method 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	Method
Cover Name	ECA-XR	Synthesis Hybrid
Cover Type	Reactive Solid	Reactive Hybrid
Box Finish	500 / 1000 SiaAir	500 / 3000 SiaAir
Color	White Solid	Red / Charcoal / Deep Sky
Core Name	Quantum Mushroom High RG Asymmetric	Magnitude 055 High Diff
Core Type	Asymmetrical	Symmetrical
RG	2.563	2.499
Total Diff.	0.052	0.055
Int. Diff.	0.013	0.000
Torque Length Back End Total Hook Ball Tester Ratings	See Performance Ratings... Already a premium member? Click here to log in.

The graph below shows a visual comparison of the selected balls. Hover over each colored circle in the graph to see that ball’s name and ratings. Click a circle to view that ball’s full review.

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Bowling Ball Comparison Graph