StrikeStack
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Roto Grip UFO II bowling ball

Roto Grip

UFO II

Released April 2021

Medium OilMid HookAngular
Hook strength
6/10

Specs

Coverstock
eTrax Hybrid Hybrid Reactive
Core
Equalizer Technology (E.T.) Asymmetric
RG
2.520
Differential
0.054
Intermediate diff (mass bias)
0.016
Factory finish
1500 Polished
Released
April 2021

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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