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Storm Proton PhysiX 25th Anniversary bowling ball

Storm

Proton PhysiX 25th Anniversary

Released December 2020

Heavy OilEarly HookContinuous
Hook strength
10/10

Specs

Coverstock
NeX Solid Solid Reactive
Core
Atomic Asymmetric
RG
2.480
Differential
0.053
Intermediate diff (mass bias)
0.017
Factory finish
2000 Abralon
Released
December 2020

The oil, hook and strength labels are StrikeStack's estimate from the published specs, not the manufacturer's rating. Specs provided by bowwwl.com.

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