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Roto Grip Sinister bowling ball

Roto Grip

Sinister

Released August 2014

Heavy OilMid HookAngular
Hook strength
8/10

Specs

Coverstock
76H Hybrid Reactive
Core
Cage Asymmetric
RG
2.520
Differential
0.054
Intermediate diff (mass bias)
0.015
Factory finish
4000 Abralon
Released
August 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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