New Roto Grip GEM Bowling Ball Review by Bowlers Rant

Chris Beans breaks down the Roto Grip GEM Bowling Ball, the newest bowling ball from Roto Grip bowling. Full specs and commentary! URD March 11, 2022!

Sometimes evolution can spark new life into technology from yesteryear. Such is the case with our latest introduction to the HP4 Line of balls. With recent more in-depth studies of flare migration and core tendencies we circled the wagons back to the Defiant Series of bowling balls which featured a core ahead of its time regarding flare migration in order to create a longer constant motion.

Out of stock

Roto Grip Gem Bowling Ball

Coverstock Name: MicroTrax Solid Reactive
Coverstock Style: Solid
Coverstock Type: Reactive
Weight Block: Defiant LRG Core
Core Type: Asymmetrical
Color: Citrine/Ruby/Amethyst
Finish 1500: 2000 Grit Abralon
Finish Method Can be Polished OR Can be Sanded More
Durometer 73-75 on D-Scale
Flare Potential High
Weights 12 – 16 lbs.

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