StrikeStack
Ball library
Storm Gravity Flow bowling ball

Storm

Gravity Flow

Released May 2015

Heavy OilMid HookAngular
Hook strength
8/10

Specs

Coverstock
NRG Hybrid Hybrid Reactive
Core
Shape-Lock HD Asymmetric
RG
2.480
Differential
0.052
Intermediate diff (mass bias)
0.020
Factory finish
4000 Abralon
Released
May 2015

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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