Brunswick Defender Bowling Ball

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  • Brunswick Defender Bowling Ball and Core
  • Brunswick Defender Bowling Ball
  • Brunswick Defender Bowling Ball Core
MSRP: $289.95
— You save $110.00
Frequently bought together:


Brunswick Defender Bowling Ball

  • Color: Navy/Purple/Sky
  • Coverstock: A.C.T. 3.0 Solid
  • Weight Block: Portal X
  • Factory Finish:  500, 2000 Siaair Micro Pad
  • Flare Potential: High
  • Radius of Gyration (RG): 16lbs - 2.489; 15lbs - 2.473; 14lbs - 2.498
  • Differential (Diff): 16lbs - 0.046; 15lbs - 0.054; 14lbs - 0.054
  • Intermediate Differential (Diff): 16lbs - 0.013; 15lbs - 0.015; 14lbs - 0.015
  • Fragrance: N/A

Additional product information:

Defender. It has a Super Hero look, and you’ll feel like one when throwing it. The Defender borrows from recent successful Brunswick releases to ensure confidence and performance. Starting with the core, our engineers took the Prism core shape and added a dense flip block to the bottom. This core configuration moves mass away from the center of the core body, creating a higher RG and more total differential, enhancing down-lane motion. The updated ACT 3.0 Solid cover was designed to strengthen the mid-lane and backend hook. The attractive color combination, Portal X core, ACT cover, and 2000 Siaair finish are the perfect recipe for higher scores.

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Additional Information

Lane Condition:
Factory Finish:
Sanded 2000 Siaair
Core Type:
Solid Reactive
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9 Reviews

  • 4
    Brunswick Defender

    The new Brunswick Defender is very clean for a solid Aysmmetrical ball. It has more continuation than a normal solid aysm. The defender is best on longer tighter patterns. You can still use the Defender in leagues with some minor surface adjustments. Very good ball from Brunswick.

  • 5
    The Defender

    The Defender is Brunswick new strong asymmetrical solid with great colors I might add. Compared to a prism this ball had a stronger backend. Hits hard. This ball def likes oil.

  • 5

    The Brunswick Defender is a versatile ball which provides a defined continuous motion ideal for controlling reaction. I find that keeping the cover at 1500 yielded the best reaction. I drilled this pin up over ring with the MB 1" from my thumb. It gets thru the fronts smoothly at that surface yielding more of a hard arc in the backend. I think there are other options for the heaviest of oils. I see this excelling on mediums and/or on patterns where control is needed. Only time will tell if it can tame the wet/dry but I think symmetric balls are best suited for that.

  • 4
    Strong Asy

    This is the first Big Ball from Brunswick ,that I have been able to get it to continue through the pins. I left the surface at box 500-2000. Used on THS ball was really strong off the spot with good hitting power, I drilled this up 45x5x40 , which for me is a Benchmark ball. Check it out at your Pro Shop

  • 5
    Ball review

    This is by far the most versatile asymmetric solid ball I’ve thrown in a long time. I put my favorite pin up layout on this and I’m able to play straighter with my angles in front of me and I’m also able to jump left open my angles and send it right. If you are looking for a bigger stronger asym this is the ball for you.

  • 4
    Defending the Backend on Heavy Conditions

    The Defender is a great stronger ball for slicker conditions. It has enough length to be more versatile than the earliest of heavier oil balls but still has plenty of midlane hook. This ball is my step up when balls like the Knockout Black/Blue aren't angular enough and are not strong enough. The Defender also is versatile enough to see play on the house shot and will see some sport shot use as well. This is a stronger Prism Warp with greater versatility. The Defender is a heavier oil ball with some length and recovery on the back part of the lane.

  • 5

    Strong and continuous comes to mind after a few shots with this ball. Compared to the Evo solid it is just a tad cleaner in the front with more change of direction at the end of the pattern. I’ve found it to be pretty versatile as I’m able to just chase it left and let the ball do the work. When it comes to solids this is at the top of my list

  • 5
    Be on the Attack with the new Defender!

    The Defender features core and coverstock from the very popular Prism series from a few years back. The added flip plate to the core lowers the RG and boost the Diff. For this ball mixes the reaction of the first two Prisms perfectly. Not as strong at the Prism Solid and can handle more than the hybrid. Fans of the current Quantium Evo series will also love the Defender as I have it falling right between them.

  • 5

    Everything about this ball is amazing. The Defender is Brunswick new strong asymmetrical solid. Compared to the knockout B/B it’s going to be stronger in the mid lane and backend, compared to the prism you will see a strong backend motion. I drilled mine 45x4.5x45 best used on mid to heavy oil lanes. I see using this ball in both the house shot and sport shots bag.

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