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Roto Grip RST X-4 Squad bowling ball

Roto Grip

RST X-4 Squad

Released January 2024

Heavy OilEarly HookContinuous
Hook strength
9/10

Specs

Coverstock
Hyper Response Solid Solid Reactive
Core
Roto Star Tour (RST) Asymmetric
RG
2.530
Differential
0.053
Intermediate diff (mass bias)
0.016
Factory finish
2000 Abralon
Released
January 2024

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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