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Roto Grip RST X-1 bowling ball

Roto Grip

RST X-1

Released November 2020

Heavy OilMid HookAngular
Hook strength
8/10

Specs

Coverstock
MicroTrax Hybrid Hybrid Reactive
Core
Roto Star Tour (RST) Asymmetric
RG
2.530
Differential
0.053
Intermediate diff (mass bias)
0.016
Factory finish
3000 Abralon
Released
November 2020

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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