Pro > All Purpose > 87
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.
|Spec Label||Spec Value|
|Color||Navy / Purple / Sky|
|Coverstock||A.C.T. 3.0 Solid|
|Cover Type||Solid Reactive|
|Finish||500, 2000 Siaair Micro Pad|
|RG||2.473 (15 lb.)|
|DIFF||0.054 (15 lb.)|
|ASY||0.015 (15 lb.)|
|Warranty||Two years from purchase date|
Brunswick’s most advanced technology. The strongest core and cover combinations we offer.
Versatile ball motion that is useful across various lane conditions, usually a continuous and strong arcing ball. Balls with higher numbers will have stronger overall reactions.
REACTION SHAPE STRENGTH: 87
The higher the number the stronger the reaction shape – with 1 being the least and 100 the most.
Durability Optimization Technology (DOT)
The Defender features Durability Optimization Technology (DOT), a patent-pending advancement in bowling ball technology.Learn more about Durability Optimization Technology
The Defender features Brunswick’s innovative outer core technology called DynamiCore. This industry-leading technology is a more durable outer material that yields less compression upon impact increasing hitting power and creating an undeniable difference in sound and pin carry.Learn more about DynamiCore Technology
Brunswick provides general purpose drilling layouts which will apply to every bowler differently based on multiple variables. These variables include the bowler's ball speed, rev rate, axis rotation & tilt, and lane conditions. All or most of these variables should be known so that the best possible layout can be chosen for each ball. We recommend that you contact your local Pro Shop Professional for more detailed layouts and how to apply them to your game for each ball in your arsenal.