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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
Katana Ball Radical Katana A black and gold colored bowling ball with the Guru Oracle logo in neon yellow centered prominently. Radical Guru Oracle Pearl Ebonite Game Breaker 5 Pearl Ebonite Game Breaker 5 Pearl Ebonite Turbo X Pearl Ebonite Turbo X Pearl
Brand Radical Radical Ebonite Ebonite
Line Top Shelf Top Shelf Mid Mid
Coverstock Forged HK22C+ Pearl HK22 - GB 12.7 Pearl HK22 - GB 10.7 Pearl
Cover type Pearl reactive Pearl reactive Pearl reactive Pearl reactive
Core Katana Asymmetric Guru Asymmetric Enhanced V2 Turbo
Core type Asymmetric Asymmetric — —
RG 2.503 2.503 2.480 2.517
Diff 0.050 0.044 0.048 0.040
Int. diff — — — —
Factory finish 500 & 1,000 Siaair / Crown Factory Compound 500, 1000, 1500 Siaair / Factory Compound 500, 1000, 1500 Siaair / Factory Compound 500, 1000, 1500 Siaair / Factory Compound
Lane condition — — Medium oil Light oil – Medium oil
Flare potential — — — —
Reaction — — Length with strong backend Skid / Flip
Color Black / Charcoal Pearl Black / Gold Purple / Blue Red / Black
Release date — June 11, 2026 March 20, 2025 September 17, 2026
Status Retired Current Current Current

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