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Compare bowling balls

Core numbers are compared in one weight. Some brands only publish them for one weight.

Weight Pick other balls
Ebonite Spartan Ebonite Spartan
Brand Ebonite
Line Pro
Coverstock HK22C² - Optimize Solid
Cover type Solid reactive
Core Iron Fist V2
Core type Asymmetric
RG 2.473
Diff 0.053
Int. diff 0.019
Factory finish 500, 1500 Siaair Micro Pad
Lane condition Heavy oil
Flare potential —
Reaction Strong overall hook
Color Purple / Blue / Dark Blue
Release date January 15, 2026
Status Current

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