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Ebonite Game Breaker Asym

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Ebonite Game Breaker Asym

Ebonite carries on the success and value of the Game Breaker line of mid-performance bowling balls with the Game Breaker Asym. Ebonite made a big change to this ball by creating an asymmetric version of the V2 core which is wrapped with the famous GB 12.0 Pearl coverstock. This ball is ideal for medium oil and offers length with a strong backend.

  • Color: Blue/Silver
    All colors do vary somewhat from the picture shown
  • Coverstock: GB 12.0 Pearl
  • Core: V2 Asymmetrical
  • Finish: 500, 1000, 2000 Siaair/Crown Factory Polish
  • Reaction: Length with strong backend
  • Recommended Lane Condition: Medium oil
  • RG: 2.48 (15# ball)
  • Differential: 0.054 (15# ball)
  • Manufacturer's Warranty: : Two years from purchase date
  • A few tiny pit holes in the cover stock of the ball are normal
  • SKU: EBO60106510
  • Product ID: 13224
  • Brand: Ebonite
  • Category: Bowling Balls
  • Ball Performance: Mid Performance Balls

Customer Reviews | 1 Customer Question

Avg Customer Rating
4.9 Stars based on 7 Reviews
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By Joe from Discovery Bay, CA
5/5 Stars
Bottom Line:

Yes, I would recommend this to a friend

An Asym Gamebreaker?

The Gamebreaker Asym is a whole new direction in the game breaker line. It still brings that reliability and predictability that you’ve come to love with in gamebreaker but now with an asymmetrical core. When my GB4 starts hooking to much down lane, I’m able to quickly switch to my Asym and continue playing the same line. Highly recommended for medium oil or burned up lanes and it will keep you in play the entire time.

By Marissa from Sylvania, OH
5/5 Stars
Bottom Line:

Yes, I would recommend this to a friend

GB Asym!

The Game Breaker line never disappoints! This ball provides a very clean and sharp motion down lane motion. I typically use this when I am starting to creep left and need something that will go through the fronts, but still turn the corner through carried down oil. This is a great go-to pairing with the GB4 when you need to ball down.

By Greg G. from United States
5/5 Stars
Bottom Line:

Yes, I would recommend this to a friend

Great Addition To My Bag

Bowler Stats: 18 mph (off hand), 420 RPM, Axis: 4 ⅞” right, ¾” up

Ball: Ebonite Gamebreaker Asym

Layout: 50 x 5” x 30

Surface: Box


Ebonite’s Gamebreaker Asym is a significant evolution in the GameBreaker line. The core designers at Ebonite set out to provide a slightly different shape within the GameBreaker line. By slicing off the sides of the V2 core, they were able to create a core that provided a medium degree of asymmetry (.008). This new design provides the ability to fine tune the ball reaction when drilling by controlling the placement of the mass bias but still maintains a low enough level of intermediate differential to not lose the downlane continuation that the GameBreaker series has produced for the last decade.

The pearlized GB 12.0 cover provides a cleaner and sharper downlane ball motion compared to the GB4, which provides a natural complement as the GB4 starts to labor downlane during transition. When thrown against the GB4 the GameBreaker Asym was about 3-4 feet cleaner and about 3 & 2 weaker. This ball really begins to shine when you are looking to open your angles on medium oil or as the lanes are transitioning and still need the ball to read the midlane and roll through the back part of the lane.


The GameBreaker Asym adds a new element to the extremely successful GameBreaker line. The new modified V2 core provides bowlers with the opportunity to fine tune their ball reaction when compared to the traditional symmetrical version of the core. The pearlized GB 12.0 coverstock provides more energy storage and downlane motion compared to Ebonite’s GB4. This ball finds its home as you need to create more angle through the front part of the lane or once a hook point has developed downlane. Utilizing this friction, provides a ball motion that clears the fronts with ease and allows the low rg/high diff core to read the mid-lane and roll through the back part of the lane.


By Bre from Bowie,MD
5/5 Stars


Best Uses:


Bottom Line:

Yes, I would recommend this to a friend

Clean As They Come!

This ball is as clean as they come! When the lanes break down, I can count on this ball to easily make it through the front part of the lane and make the turn downlane. This is quite a different shape than the other gamebreakers, but its unique especially for the Brands of Brunswick. It's a good ball for your bag as a step down from bigger pearls.

By TheHopeDiamond22 from Washington
5/5 Stars
Bottom Line:

Yes, I would recommend this to a friend

GB Asym

The Game Breaker series continues to live up to the name and standards. Tested on the house and chromium. This one is like a boomerang with the reaction. Clean but gets started early and unleashes off the friction. Doesn’t lose energy going through the pins. Cover is very versatile if needing to slow the ball down. Able to play multiple angles. Has great shelf appeal. But the color mix looks way better down lane ripping racks. Don’t wait on this one

By C. Miller from California
5/5 Stars

mid performance power house ball!

Best Uses:

short to medium patterns, house patterns

Bottom Line:

Yes, I would recommend this to a friend

GB Asym is Here !!

The Game Breaker Asym is now out and looks real good, going down the lane and with it's shelf appeal.

I recently took one from the drill press straight to league action. In warm ups, thought the ball was a little to clean down lane. Decided to hit the cover with 2000 siaair pad. Still not satisfied, hit it with 1500 and BAM! It gave this silver and blue asym new life. Popped off a nice 760 set on your typical house pattern.

With a little surface adjustment, the ball gave me a nice, angular motion off the pattern while keeping that continuous motion through the deck.

With winter leagues starting up, the Game Beaker Asym may be the ball to have!

By Bob Newman from Pacifica
4/5 Stars
Bottom Line:

Yes, I would recommend this to a friend

Ebonite GB Asym starts a new line.

Ebonite has just released the newest addition to the GB line with the Game Breaker Asym. It has many of of the characteristics to the GB Pearl but they did a little modification to the core giving it a little asymmetry. I happen to have a lot of Asymmetric Pearls right now, so I drilled this a little different with a 4-1/2" pin under the ring finger. It is extremely clean & smooth. I do like the shape and and the way it pushes through the pins. Very nice add especially for league.

Customer Questions & Answers | Reviews

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What is Rg and diff on 14#

2/3/2022 - By

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On a 14lb Game Breaker Asym the RG is 2.502 and the RG Diff is 0.054.

2/11/2022 - By Bowling.Com Staff
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