StrikeStack
Ball library
Radical Guru bowling ball

Radical

Guru

Released October 2014

Heavy OilEarly HookContinuous
Hook strength
9/10

Specs

Coverstock
Guru Solid Reactive
Core
Guru (2014-2017) Asymmetric
RG
2.501
Differential
0.044
Intermediate diff (mass bias)
0.018
Factory finish
500/1500 Siaair Micro Pad
Released
October 2014

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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