Brunswick Ultimate Defender vs. Brunswick Mesmerize

Compare the specs of the Brunswick Ultimate Defender and Brunswick Mesmerize 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	Ultimate Defender	Mesmerize
Cover Name	HK22 - ACT 3.0 Hybrid	HK22C - EVO Solid
Cover Type	Reactive Hybrid	Reactive Solid
Box Finish	500 / 2000 SiaAir	500 / 1500 SiaAir
Color	Violet / Pink / Navy	Red / Blue / Black / Sky
Core Name	Portal X	Tri-Elliptic
Core Type	Asymmetrical	Asymmetrical
RG	2.473	2.510
Total Diff.	0.054	0.056
Int. Diff.	0.015	0.017
Torque Length Back End Total Hook Ball Tester Ratings	See Performance Ratings... Already a premium member? Click here to log in.

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Bowling Ball Comparison Graph