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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
Track The Rising Track The Rising A black colored bowling ball with the Outer Limits Black Hole logo in light purple centered prominently. Radical Outer Limits Black Hole A red and black bowling ball with The Spy logo in yellow on the front. Radical The Spy A purple and ice colored bowling ball with the Danger Zone logo in white and red centered prominently. Brunswick Danger Zone Purple Ice
Brand Track Radical Radical Brunswick
Line — Reliable Performance Polyester Advanced
Coverstock HP Gen 1 Reactive HK22C+ Solid Textured Polyester HK22 - PowerKoil 26
Cover type — Solid reactive Polyester Solid reactive
Core Mega Tron Outer Limits Asymmetric Asymmetric (DynamiCore) Danger Zone
Core type — Asymmetric Asymmetric Symmetric
RG 2.500 2.499 2.513 2.501
Diff 0.055 0.051 0.053 0.048
Int. diff — — — —
Factory finish 4000 500, 1000, 1500 Siaair / Factory Compound 500, 1000 Siaair / Factory Compound / Factory Polish 500 Siaair / Crown Factory Compound / Crown Factory Polish
Lane condition Medium-heavy oil – Heavy oil — — —
Flare potential — — — —
Reaction — — — —
Color Purple Black Red / Black Purple Ice
Release date — January 8, 2026 — December 11, 2025
Status Retired Current Current Current

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