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Roto Grip Gremlin Tour-X bowling ball

Roto Grip

Gremlin Tour-X

Released March 2026

Medium OilMid HookContinuous
Hook strength
6/10

Specs

Coverstock
V-R1 Hybrid Hybrid Reactive
Core
Rondure Tour-X Asymmetric
RG
2.480
Differential
0.034
Intermediate diff (mass bias)
0.011
Factory finish
4000 Abralon
Released
March 2026

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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