StrikeStackBall library
Roto Grip Rubicon Extreme bowling ball

Roto Grip

Rubicon Extreme

Released January 2022

Medium OilMid HookAngular
Hook strength
6/10
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Specs

Coverstock
MicroTrax P20 Pearl Pearl Reactive
Core
Rondure Asymmetric
RG
2.490
Differential
0.052
Intermediate diff (mass bias)
0.011
Factory finish
1500 Polished
Released
January 2022

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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