Bowling ball cores · KR Strikeforce
KR Strikeforce Bowling Ball Cores
Every KR Strikeforce core in a ball we sell, with its RG, differential and mass bias, on one map
KR Strikeforce puts 2 different cores into the 5 KR Strikeforce balls we have in stock today: 2 symmetric and 0 asymmetric. The newest is the KR Strikeforce Launch Core (the Rise line). The strongest flare comes from the KR Strikeforce Launch Core (differential 0.047), and the earliest-revving is the KR Strikeforce Launch Core (RG 2.530). Every core below links to its own page with specs by weight and the balls built on it.
Not sure? Take the Ball FinderUpdated October 17, 2026
- 2 cores in stock
- 2 symmetric, 0 asymmetric
- 5 balls in stock
- 0 cores out of stock
Have a bowling question? Search the learning center.
The KR Strikeforce core map
Where KR Strikeforce’s cores sit on RG and differential against every other core we stock. Lower and left revs early with less flare; up and right saves energy and flares more.
Map key: KR Strikeforce cores in stock
KR Strikeforce cores in stock
The 2 cores in KR Strikeforce balls you can buy today, most balls in stock first.
Specs are the manufacturer’s 15 lb figures. Click a core for its specs by weight, the balls built on it and the nearest cores from other brands.
KR Strikeforce cores out of stock
0 KR Strikeforce cores with no ball in stock right now, newest first.
Every KR Strikeforce core in our catalog is in a ball we stock today.
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Best-selling KR Strikeforce balls right now
Ranked by what BowlersMart customers bought in the last 30 days. Prices and stock are updated nightly.
Questions bowlers ask
What cores does KR Strikeforce use in its bowling balls?
2 different cores are in the KR Strikeforce balls we stock today: 3 Piece Core, Launch Core. 2 are symmetric and 0 asymmetric. Each core’s page lists its RG, differential and mass bias by weight.
Which KR Strikeforce core has the most flare?
The KR Strikeforce Launch Core, with a differential of 0.047 at 15 lb, the highest of the KR Strikeforce cores in stock. Higher differential means more flare potential and a stronger, more angular motion.
Which KR Strikeforce core revs up earliest?
The KR Strikeforce Launch Core, with an RG of 2.530 at 15 lb, the lowest of the KR Strikeforce cores in stock. A low RG core starts revving sooner and reads the midlane earlier.
Are KR Strikeforce cores symmetric or asymmetric?
Both. Of the 2 KR Strikeforce cores in stock, 2 are symmetric (one pin marker, a smooth continuous arc) and 0 are asymmetric (pin and PSA markers, a stronger and more angular backend).
What is KR Strikeforce’s newest core?
The KR Strikeforce Launch Core, in the Rise line, first sold here in May 2025. It is symmetric with an RG of 2.530 and a differential of 0.047 at 15 lb.
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