Roto Grip Bowling Ball Core Library - click the core to see more info

Defiant LRG core

Used in Gem Line

RST Core

Used in RST Line

Altered Hot Shot Core

Used in Winner Line

Caliber Core

Used in Multiple Lines

E.T. Core

Used in UFO Line

ikon Core

Used in Idol Line

hyped Core

Used in Hyped Line

Cage Core

Used in Multiple Lines

Centrum Core

Used in Halo Line

Hotshot Core

Used in Show Off Line

Rondure Core

Used in Rubicon Line

Hustle Core

Used in Hustle Line

Nucleus Core

Used in Cell Line

chaotic Core

Used in Halo Line

neutron Core

Used in Multiple Lines

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