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Roto Grip UpRoar bowling ball

Roto Grip

UpRoar

Released January 2014

Light OilLate HookContinuous
Hook strength
2/10

Specs

Coverstock
51ML Pearl Reactive
Core
Late Roll 51 Symmetric
RG
2.550
Differential
0.030
Factory finish
1500 Polished
Released
January 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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